kde5: copy basic kde4 blocks -> kde5 and build againt qt5/kf5 libs

Change-Id: I70f0c4147721a20459e1183ff40cf0ac8adf49e6

vcl/CustomTarget_kde5_moc.mk

+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_CustomTarget_CustomTarget,vcl/unx/kde5))
+
+$(call gb_CustomTarget_get_target,vcl/unx/kde5) : \
+	$(call gb_CustomTarget_get_workdir,vcl/unx/kde5)/KDE5XLib.moc \
+	$(call gb_CustomTarget_get_workdir,vcl/unx/kde5)/tst_exclude_socket_notifiers.moc \
+	$(call gb_CustomTarget_get_workdir,vcl/unx/kde5)/tst_exclude_posted_events.moc
+
+$(call gb_CustomTarget_get_workdir,vcl/unx/kde5)/%.moc : \
+		$(SRCDIR)/vcl/unx/kde5/%.hxx \
+		| $(call gb_CustomTarget_get_workdir,vcl/unx/kde5)/.dir
+	$(call gb_Output_announce,$(subst $(WORKDIR)/,,$@),$(true),MOC,1)
+	$(MOC5) $< -o $@
+
+# vim: set noet sw=4:

vcl/Library_vclplug_kde5.mk

+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# This file incorporates work covered by the following license notice:
+#
+#   Licensed to the Apache Software Foundation (ASF) under one or more
+#   contributor license agreements. See the NOTICE file distributed
+#   with this work for additional information regarding copyright
+#   ownership. The ASF licenses this file to you under the Apache
+#   License, Version 2.0 (the "License"); you may not use this file
+#   except in compliance with the License. You may obtain a copy of
+#   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+#
+
+$(eval $(call gb_Library_Library,vclplug_kde5))
+
+$(eval $(call gb_Library_use_custom_headers,vclplug_kde5,vcl/unx/kde5))
+
+$(eval $(call gb_Library_set_include,vclplug_kde5,\
+    $$(INCLUDE) \
+    -I$(SRCDIR)/vcl/inc \
+))
+
+$(eval $(call gb_Library_add_defs,vclplug_kde5,\
+    -DVCLPLUG_KDE5_IMPLEMENTATION \
+))
+
+$(eval $(call gb_Library_use_sdk_api,vclplug_kde5))
+
+$(eval $(call gb_Library_use_libraries,vclplug_kde5,\
+    vclplug_gen \
+    vcl \
+    tl \
+    utl \
+    sot \
+    ucbhelper \
+    basegfx \
+    comphelper \
+    cppuhelper \
+    i18nlangtag \
+    i18nutil \
+    $(if $(ENABLE_JAVA), \
+        jvmaccess) \
+    cppu \
+    sal \
+))
+
+$(eval $(call gb_Library_use_externals,vclplug_kde5,\
+	boost_headers \
+	icuuc \
+	kde5 \
+	epoxy \
+))
+
+$(eval $(call gb_Library_add_libs,vclplug_kde5,\
+	-lX11 \
+	-lXext \
+	-lSM \
+	-lICE \
+))
+
+ifneq ($(KF5_HAVE_GLIB),)
+$(eval $(call gb_Library_add_defs,vclplug_kde5,\
+    $(KF5_GLIB_CFLAGS) \
+))
+
+$(eval $(call gb_Library_add_libs,vclplug_kde5,\
+    $(KF5_GLIB_LIBS) \
+))
+endif
+
+
+$(eval $(call gb_Library_add_exception_objects,vclplug_kde5,\
+    vcl/unx/kde5/KDE5Data \
+    vcl/unx/kde5/KDE5SalDisplay \
+    vcl/unx/kde5/KDE5SalFrame \
+    vcl/unx/kde5/KDE5SalGraphics \
+    vcl/unx/kde5/KDE5SalInstance \
+    vcl/unx/kde5/KDE5XLib \
+    vcl/unx/kde5/main \
+))
+
+ifeq ($(OS),LINUX)
+$(eval $(call gb_Library_add_libs,vclplug_kde5,\
+	-lm \
+	-ldl \
+	-lpthread \
+))
+endif
+
+# vim: set noet sw=4 ts=4:

vcl/Module_vcl.mk

@@ -81,6 +81,12 @@ $(eval $(call gb_Module_add_targets,vcl,\
     Library_vclplug_kde4 \
 ))
 endif
+ifneq ($(ENABLE_KDE5),)
+$(eval $(call gb_Module_add_targets,vcl,\
+    CustomTarget_kde5_moc \
+    Library_vclplug_kde5 \
+))
+endif
 endif
 
 ifeq ($(OS),MACOSX)

vcl/unx/kde5/FPServiceInfo.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+// the service names
+#define FILE_PICKER_SERVICE_NAME "com.sun.star.ui.dialogs.KDE4FilePicker"
+
+// the implementation names
+#define FILE_PICKER_IMPL_NAME    "com.sun.star.ui.dialogs.KDE4FilePicker"
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/KDE5Data.cxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <QtWidgets/QStyle>
+#include <QtWidgets/QApplication>
+
+#undef Region
+
+#include "KDE5Data.hxx"
+
+#include "KDE5XLib.hxx"
+#include "KDE5SalDisplay.hxx"
+
+KDEData::~KDEData()
+{
+}
+
+void KDEData::Init()
+{
+    pXLib_ = new KDEXLib();
+    pXLib_->Init();
+    SetDisplay( SalKDEDisplay::self() );
+}
+
+void KDEData::initNWF()
+{
+    ImplSVData *pSVData = ImplGetSVData();
+
+    // draw toolbars on separate lines
+    pSVData->maNWFData.mbDockingAreaSeparateTB = true;
+    // no borders for menu, theming does that
+    pSVData->maNWFData.mbFlatMenu = true;
+    // Qt theme engines may support a rollover menubar
+    pSVData->maNWFData.mbRolloverMenubar = true;
+
+    pSVData->maNWFData.mbNoFocusRects = true;
+
+    // Styled menus need additional space
+    QStyle *style = QApplication::style();
+    pSVData->maNWFData.mnMenuFormatBorderX =
+       style->pixelMetric( QStyle::PM_MenuPanelWidth ) +
+       style->pixelMetric( QStyle::PM_MenuHMargin );
+    pSVData->maNWFData.mnMenuFormatBorderY =
+       style->pixelMetric( QStyle::PM_MenuPanelWidth ) +
+       style->pixelMetric( QStyle::PM_MenuVMargin );
+}
+
+void KDEData::deInitNWF()
+{
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/KDE5Data.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <unx/saldisp.hxx>
+#include <unx/saldata.hxx>
+
+class KDEData : public X11SalData
+{
+    public:
+        explicit KDEData( SalInstance *pInstance )
+                        : X11SalData( SAL_DATA_KDE4, pInstance ) {}
+        virtual ~KDEData() override;
+
+        virtual void Init() override;
+        virtual void initNWF() override;
+        virtual void deInitNWF() override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/KDE5SalDisplay.cxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "VCLKDE5Application.hxx"
+#include "KDE5SalDisplay.hxx"
+
+#ifdef Bool
+#undef Bool
+#endif
+
+#include "KDE5XLib.hxx"
+
+#include <assert.h>
+
+SalKDEDisplay* SalKDEDisplay::selfptr = nullptr;
+
+SalKDEDisplay::SalKDEDisplay( Display* pDisp )
+    : SalX11Display( pDisp )
+{
+    assert( selfptr == nullptr );
+    selfptr = this;
+    xim_protocol = XInternAtom( pDisp_, "_XIM_PROTOCOL", False );
+}
+
+SalKDEDisplay::~SalKDEDisplay()
+{
+    // in case never a frame opened
+    static_cast<KDEXLib*>(GetXLib())->doStartup();
+    // clean up own members
+    doDestruct();
+    selfptr = nullptr;
+    // prevent SalDisplay from closing KApplication's display
+    pDisp_ = nullptr;
+}
+
+void SalKDEDisplay::Yield()
+{
+    if( DispatchInternalEvent() )
+        return;
+
+    // Prevent blocking from Drag'n'Drop events, which may have already have processed the event
+    if (XEventsQueued( pDisp_, QueuedAfterReading ) == 0)
+        return;
+
+    DBG_ASSERT( static_cast<SalYieldMutex*>(GetSalData()->m_pInstance->GetYieldMutex())->GetThreadId() ==
+                osl::Thread::getCurrentIdentifier(),
+                "will crash soon since solar mutex not locked in SalKDEDisplay::Yield" );
+
+    /*XEvent event;
+    XNextEvent( pDisp_, &event );
+    if( checkDirectInputEvent( &event ))
+        return;
+    qApp->x11ProcessEvent( &event );*/
+}
+
+// HACK: When using Qt event loop, input methods (japanese, etc.) will get broken because
+// of XFilterEvent() getting called twice, once by Qt, once by LO (bnc#665112).
+// This function is therefore called before any XEvent is passed to Qt event handling
+// and if it is a keyboard event and no Qt widget is the active window (i.e. we are
+// processing events for some LO window), then feed the event only to LO directly and skip Qt
+// completely. Skipped events are KeyPress, KeyRelease and also _XIM_PROTOCOL client message
+// (seems to be necessary too, hopefully there are not other internal XIM messages that
+// would need this handling).
+bool SalKDEDisplay::checkDirectInputEvent( xcb_generic_event_t* ev )
+{
+    switch (ev->response_type & ~0x80)
+    {
+        case XCB_CLIENT_MESSAGE:
+        case XCB_KEY_PRESS:
+        case XCB_KEY_RELEASE:
+            if( QApplication::activeWindow() == nullptr )
+            {
+//                Dispatch(ev);
+                return true;
+            }
+            break;
+    }
+    return false;
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/KDE5SalDisplay.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <unx/saldisp.hxx>
+#include <xcb/xcb.h>
+
+#ifdef CursorShape
+#undef CursorShape
+#endif
+
+class SalKDEDisplay : public SalX11Display
+{
+    public:
+        explicit SalKDEDisplay( Display* pDisp );
+        virtual ~SalKDEDisplay() override;
+        static SalKDEDisplay* self();
+        virtual void Yield() override;
+        bool checkDirectInputEvent( xcb_generic_event_t* ev );
+    private:
+        Atom xim_protocol;
+        static SalKDEDisplay* selfptr;
+};
+
+inline SalKDEDisplay* SalKDEDisplay::self()
+{
+    return selfptr;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/KDE5SalFrame.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <memory>
+
+#include <unx/saldisp.hxx>
+#include <unx/salframe.h>
+#include <unx/salgdi.h>
+
+class KDESalFrame : public X11SalFrame
+{
+    private:
+        static const int nMaxGraphics = 2;
+
+        struct GraphicsHolder
+        {
+            std::unique_ptr<X11SalGraphics> pGraphics;
+            bool bInUse;
+
+            GraphicsHolder() : bInUse( false ) {}
+        };
+
+        GraphicsHolder m_aGraphics[ nMaxGraphics ];
+
+    public:
+        KDESalFrame( SalFrame* pParent, SalFrameStyleFlags nStyle );
+
+        virtual SalGraphics* AcquireGraphics() override;
+        virtual void ReleaseGraphics( SalGraphics *pGraphics ) override;
+        virtual void updateGraphics( bool bClear ) override;
+        virtual void UpdateSettings( AllSettings& rSettings ) override;
+        virtual void Show( bool bVisible, bool bNoActivate = false ) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/KDE5SalGraphics.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <memory>
+
+#include <rtl/string.hxx>
+#include <unx/saldisp.hxx>
+#include <unx/salgdi.h>
+
+#include <QtGui/QImage>
+
+/**
+ * Handles native graphics requests and performs the needed drawing operations.
+ */
+class KDESalGraphics : public X11SalGraphics
+{
+public:
+    virtual bool IsNativeControlSupported( ControlType, ControlPart ) override;
+
+    virtual bool hitTestNativeControl( ControlType, ControlPart,
+                                       const tools::Rectangle&, const Point&, bool& ) override;
+
+    virtual bool drawNativeControl( ControlType, ControlPart, const tools::Rectangle&,
+                                    ControlState, const ImplControlValue&, const OUString& ) override;
+
+    virtual bool getNativeControlRegion( ControlType, ControlPart, const tools::Rectangle&,
+                                         ControlState, const ImplControlValue&,
+                                         const OUString&, tools::Rectangle&, tools::Rectangle& ) override;
+
+private:
+    std::unique_ptr<QImage> m_image;
+    QRect lastPopupRect;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/KDE5SalInstance.cxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+//#include "KDE4FilePicker.hxx"
+#include <QtCore/QAbstractEventDispatcher>
+#include <QtCore/QThread>
+#include <QtGui/QClipboard>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QFrame>
+#include <QtX11Extras/QX11Info>
+
+
+#include "KDE5SalInstance.hxx"
+#include "KDE5SalFrame.hxx"
+#include "KDE5XLib.hxx"
+#include "KDE5SalDisplay.hxx"
+
+using namespace com::sun::star;
+
+KDESalInstance::KDESalInstance(SalYieldMutex* pMutex)
+    : X11SalInstance(pMutex)
+{
+    ImplSVData* pSVData = ImplGetSVData();
+    delete pSVData->maAppData.mpToolkitName;
+    pSVData->maAppData.mpToolkitName = new OUString("kde4");
+}
+
+SalFrame* KDESalInstance::CreateFrame( SalFrame *pParent, SalFrameStyleFlags nState )
+{
+    return new KDESalFrame( pParent, nState );
+}
+
+uno::Reference< ui::dialogs::XFilePicker2 > KDESalInstance::createFilePicker(
+    const uno::Reference< uno::XComponentContext >& xMSF )
+{
+    /*KDEXLib* kdeXLib = static_cast<KDEXLib*>( mpXLib );
+    if (kdeXLib->allowKdeDialogs())
+        return uno::Reference< ui::dialogs::XFilePicker2 >(
+            kdeXLib->createFilePicker(xMSF) );
+    else*/
+        return X11SalInstance::createFilePicker( xMSF );
+}
+
+SalX11Display* KDESalInstance::CreateDisplay() const
+{
+    return new SalKDEDisplay( QX11Info::display() );
+}
+
+bool KDESalInstance::IsMainThread() const
+{
+    return qApp->thread() == QThread::currentThread();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/KDE5SalInstance.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <unx/salinst.h>
+
+class SalYieldMutex;
+class SalFrame;
+
+class KDESalInstance : public X11SalInstance
+{
+protected:
+    virtual SalX11Display* CreateDisplay() const override;
+
+public:
+    explicit KDESalInstance(SalYieldMutex* pMutex);
+    virtual SalFrame* CreateFrame( SalFrame* pParent, SalFrameStyleFlags nStyle ) override;
+
+    virtual bool hasNativeFileSelection() const override { return true; }
+
+    virtual css::uno::Reference< css::ui::dialogs::XFilePicker2 >
+        createFilePicker( const css::uno::Reference<
+                              css::uno::XComponentContext >& ) override;
+
+    virtual bool IsMainThread() const override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/KDE5XLib.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <memory>
+
+#include <unx/saldisp.hxx>
+
+//#include <fixx11h.h>
+//
+#include <QtCore/QObject>
+#include <QtCore/QHash>
+#include <QtCore/QSocketNotifier>
+#include <QtCore/QTimer>
+#include <QtCore/QAbstractNativeEventFilter>
+
+#include <unx/salinst.h>
+
+class VCLKDEApplication;
+
+class KDEXLib : public QObject, public QAbstractNativeEventFilter, public SalXLib
+{
+    Q_OBJECT
+    private:
+        bool m_bStartupDone;
+        std::unique_ptr<VCLKDEApplication> m_pApplication;
+        std::unique_ptr<char*[]> m_pFreeCmdLineArgs;
+        std::unique_ptr<char*[]> m_pAppCmdLineArgs;
+        int m_nFakeCmdLineArgs;
+        struct SocketData
+            {
+            void* data;
+            YieldFunc pending;
+            YieldFunc queued;
+            YieldFunc handle;
+            QSocketNotifier* notifier;
+            };
+        QHash< int, SocketData > socketData; // key is fd
+        QTimer timeoutTimer;
+        bool m_isGlibEventLoopType;
+        bool m_allowKdeDialogs;
+        int m_timerEventId;
+        int m_postUserEventId;
+
+    private:
+        void setupEventLoop();
+
+    private Q_SLOTS:
+        void socketNotifierActivated( int fd );
+        void timeoutActivated();
+        void startTimeoutTimer();
+        static bool processYield( bool bWait, bool bHandleAllCurrentEvents );
+
+    Q_SIGNALS:
+        void startTimeoutTimerSignal();
+        void processYieldSignal( bool bWait, bool bHandleAllCurrentEvents );
+        css::uno::Reference< css::ui::dialogs::XFilePicker2 >
+            createFilePickerSignal( const css::uno::Reference< css::uno::XComponentContext >& );
+
+    public:
+        KDEXLib();
+        virtual ~KDEXLib() override;
+
+        virtual void Init() override;
+        virtual bool Yield( bool bWait, bool bHandleAllCurrentEvents ) override;
+        virtual void Insert( int fd, void* data, YieldFunc pending, YieldFunc queued, YieldFunc handle ) override;
+        virtual void Remove( int fd ) override;
+        virtual void StartTimer( sal_uLong nMS ) override;
+        virtual void StopTimer() override;
+        virtual void Wakeup() override;
+        virtual void PostUserEvent() override;
+
+        void doStartup();
+        bool allowKdeDialogs() { return m_allowKdeDialogs; }
+
+        virtual void customEvent(QEvent* e) override;
+
+    public Q_SLOTS:
+        css::uno::Reference< css::ui::dialogs::XFilePicker2 >
+            createFilePicker( const css::uno::Reference< css::uno::XComponentContext >& );
+    public:
+        virtual bool nativeEventFilter(const QByteArray &eventType, void *message, long *) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/VCLKDE5Application.cxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "VCLKDE5Application.hxx"
+
+#include <QtGui/QClipboard>
+#include <QtCore/QEvent>
+
+#include "KDE5SalDisplay.hxx"
+
+VCLKDEApplication::VCLKDEApplication() :
+    KApplication()
+{
+}
+
+// various hacks to be performed before re-entering Qt's event loop
+// because of showing a Qt dialog
+void VCLKDEApplication::preDialogSetup()
+{
+    // KFileDialog integration requires using event loop with QClipboard.
+    // Opening the KDE file dialog here can lead to QClipboard
+    // asking for clipboard contents. If LO core is the owner of the clipboard
+    // content, without event loop use this will block for 5 seconds and timeout,
+    // since the clipboard thread will not be able to acquire SolarMutex
+    // and thus won't be able to respond. If the event loops
+    // are properly integrated and QClipboard can use a nested event loop
+    // (see the KDE VCL plug), then this won't happen.
+    // We cannot simply release SolarMutex here, because the event loop started
+    // by the file dialog would also call back to LO code.
+    assert( QApplication::clipboard()->property( "useEventLoopWhenWaiting" ).toBool() );
+}
+
+// various hacks to be performed after a Qt dialog has been closed
+void VCLKDEApplication::postDialogCleanup()
+{
+    // HACK: KFileDialog uses KConfig("kdeglobals") for saving some settings
+    // (such as the auto-extension flag), but that doesn't update KGlobal::config()
+    // (which is probably a KDE bug), so force reading the new configuration,
+    // otherwise the next opening of the dialog would use the old settings.
+    KGlobal::config()->reparseConfiguration();
+    // HACK: If Qt owns clipboard or selection, give up on their ownership now. Otherwise
+    // LO core might ask for the contents, but it would block while doing so (i.e. it
+    // doesn't seem to have an equivalent of QClipboard's "useEventLoopWhenWaiting"),
+    // therefore QClipboard wouldn't be able to respond, and whole LO would block until
+    // a timeout. Given that Klipper is most probably running, giving up clipboard/selection
+    // ownership will not only avoid the blocking, but even pasting that content in LO
+    // will in fact work, if Klipper can handle it.
+    // Technically proper solution would be of course to allow Qt to process QClipboard
+    // events while LO waits for clipboard contents, or short-circuit to QClipboard somehow
+    // (it's a mystery why LO's clipboard handling has its own thread when whole LO can
+    // get blocked by both trying to send and receive clipboard contents anyway).
+    QClipboard* clipboard = QApplication::clipboard();
+    if( clipboard->ownsSelection())
+        clipboard->clear( QClipboard::Selection );
+    if( clipboard->ownsClipboard())
+        clipboard->clear();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/VCLKDE5Application.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef _VCLKDE5APPLICATION_HXX_
+#define _VCLKDE5APPLICATION_HXX_
+
+#pragma once
+
+#include <QtWidgets/QApplication>
+#include <QtCore/QAbstractNativeEventFilter>
+
+#undef Region
+
+class VCLKDEApplication : public QApplication, public QAbstractNativeEventFilter
+{
+    public:
+        VCLKDEApplication();
+        static void preDialogSetup();
+        static void postDialogCleanup();
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/main.cxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <QtGui/QApplication>
+
+#include "KDE5Data.hxx"
+#include "KDE5SalInstance.hxx"
+
+#include <vclpluginapi.h>
+
+#include <rtl/string.hxx>
+
+/// entry point for the KDE4 VCL plugin
+extern "C" {
+    VCLPLUG_KDE4_PUBLIC SalInstance* create_SalInstance()
+    {
+        /* #i92121# workaround deadlocks in the X11 implementation
+        */
+        static const char* pNoXInitThreads = getenv( "SAL_NO_XINITTHREADS" );
+        /* #i90094#
+           from now on we know that an X connection will be
+           established, so protect X against itself
+        */
+        if( ! ( pNoXInitThreads && *pNoXInitThreads ) )
+        {
+#if QT_VERSION >= 0x040800
+            // let Qt call XInitThreads(), so that also Qt knows it's been used
+            // (otherwise QPixmap may warn about threads not being initialized)
+            QApplication::setAttribute( Qt::AA_X11InitThreads );
+#else
+            XInitThreads();
+            // just in case somebody builds with old version and then upgrades Qt,
+            // otherwise this is a no-op
+            QApplication::setAttribute( static_cast< Qt::ApplicationAttribute >( 10 ));
+#endif
+        }
+
+#if QT_VERSION < 0x050000
+        // Qt 4.x support needs >= 4.1.0
+        OString aVersion( qVersion() );
+        SAL_INFO( "vcl.kde4", "qt version string is " << aVersion );
+
+        sal_Int32 nIndex = 0, nMajor = 0, nMinor = 0;
+        nMajor = aVersion.getToken( 0, '.', nIndex ).toInt32();
+        if( nIndex > 0 )
+            nMinor = aVersion.getToken( 0, '.', nIndex ).toInt32();
+        if( nMajor != 4 || nMinor < 1 )
+        {
+#if OSL_DEBUG_LEVEL > 1
+            sal_Int32 nMicro = 0;
+            if( nIndex > 0 )
+                nMicro = aVersion.getToken( 0, '.', nIndex ).toInt32();
+            SAL_INFO( "vcl.kde4", "unsuitable qt version " << nMajor << "." << nMinor << "." << nMicro );
+#endif
+            return nullptr;
+        }
+#endif
+
+        KDESalInstance* pInstance = new KDESalInstance( new SalYieldMutex() );
+        SAL_INFO( "vcl.kde4", "created KDESalInstance " << &pInstance );
+
+        // initialize SalData
+        KDEData *salData = new KDEData( pInstance );
+        salData->Init();
+        salData->initNWF();
+        pInstance->SetLib(salData->GetLib());
+
+        return pInstance;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/kde5/tst_exclude_posted_events.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ *
+ * This code is based on the SocketEventsTester from the Qt4 test suite.
+ */
+
+#pragma once
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QEventLoop>
+
+const QEvent::Type eventType = QEvent::User;
+
+class TestExcludePostedEvents
+    : public QObject
+{
+    Q_OBJECT
+    public:
+        TestExcludePostedEvents();
+        virtual bool event( QEvent* e ) override;
+        bool processed;
+};
+
+TestExcludePostedEvents::TestExcludePostedEvents()
+    : processed( false )
+{
+}
+
+bool TestExcludePostedEvents::event( QEvent* e )
+{
+    if( e->type() == eventType )
+        processed = true;
+    return QObject::event( e );
+}
+
+#define QVERIFY(a) \
+    if (!a) return 1;
+
+static int tst_excludePostedEvents()
+{
+    TestExcludePostedEvents test;
+    QCoreApplication::postEvent( &test, new QEvent( eventType ));
+    QEventLoop loop;
+    loop.processEvents(QEventLoop::ExcludeUserInputEvents
+        | QEventLoop::ExcludeSocketNotifiers
+//        | QEventLoop::WaitForMoreEvents
+        | QEventLoop::X11ExcludeTimers);
+    QVERIFY( !test.processed );
+    loop.processEvents();
+    QVERIFY( test.processed );
+    return 0;
+}

vcl/unx/kde5/tst_exclude_socket_notifiers.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ *
+ * This code is based on the SocketEventsTester from the Qt4 test suite.
+ */
+
+#pragma once
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QEventLoop>
+#include <QtCore/QSocketNotifier>
+#include <unistd.h>
+
+class TestExcludeSocketNotifiers
+    : public QObject
+{
+    Q_OBJECT
+    public:
+        TestExcludeSocketNotifiers( const int* pipes );
+        virtual ~TestExcludeSocketNotifiers() override;
+        bool received;
+    public slots:
+        void slotReceived();
+    private:
+        const int* pipes;
+};
+
+TestExcludeSocketNotifiers::TestExcludeSocketNotifiers( const int* thePipes )
+    : received( false )
+    , pipes( thePipes )
+{
+}
+
+TestExcludeSocketNotifiers::~TestExcludeSocketNotifiers()
+{
+    close( pipes[ 0 ] );
+    close( pipes[ 1 ] );
+}
+
+void TestExcludeSocketNotifiers::slotReceived()
+{
+    received = true;
+}
+
+#define QVERIFY(a) \
+    if (!a) return 1;
+
+static int tst_processEventsExcludeSocket()
+{
+    int pipes[ 2 ];
+    if( pipe( pipes ) < 0 )
+        return 1;
+    TestExcludeSocketNotifiers test( pipes );
+    QSocketNotifier notifier( pipes[ 0 ], QSocketNotifier::Read );
+    QObject::connect( &notifier, SIGNAL( activated( int )), &test, SLOT( slotReceived()));
+    char dummy = 'a';
+    if( 1 != write( pipes[ 1 ], &dummy, 1 ) )
+        return 1;
+    QEventLoop loop;
+    loop.processEvents( QEventLoop::ExcludeSocketNotifiers );
+    QVERIFY( !test.received );
+    loop.processEvents();
+    QVERIFY( test.received );
+    return 0;
+}