vcl/unx/kde4/main.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <QtGui/QApplication>
  21
  22 #include "KDEData.hxx"
  23 #include "KDESalInstance.hxx"
  24
  25 #include <vclpluginapi.h>
  26
  27 #include <rtl/string.hxx>
  28 #include <sal/log.hxx>
  29
  30 /// entry point for the KDE4 VCL plugin
  31 extern "C" {
  32     VCLPLUG_KDE4_PUBLIC SalInstance* create_SalInstance()
  33     {
  34         /* #i92121# workaround deadlocks in the X11 implementation
  35         */
  36         static const char* pNoXInitThreads = getenv( "SAL_NO_XINITTHREADS" );
  37         /* #i90094#
  38            from now on we know that an X connection will be
  39            established, so protect X against itself
  40         */
  41         if( ! ( pNoXInitThreads && *pNoXInitThreads ) )
  42         {
  43 #if QT_VERSION >= 0x040800
  44             // let Qt call XInitThreads(), so that also Qt knows it's been used
  45             // (otherwise QPixmap may warn about threads not being initialized)
  46             QApplication::setAttribute( Qt::AA_X11InitThreads );
  47 #else
  48             XInitThreads();
  49             // just in case somebody builds with old version and then upgrades Qt,
  50             // otherwise this is a no-op
  51             QApplication::setAttribute( static_cast< Qt::ApplicationAttribute >( 10 ));
  52 #endif
  53         }
  54
  55 #if QT_VERSION < 0x050000
  56         // Qt 4.x support needs >= 4.1.0
  57         OString aVersion( qVersion() );
  58         SAL_INFO( "vcl.kde4", "qt version string is " << aVersion );
  59
  60         sal_Int32 nIndex = 0, nMajor = 0, nMinor = 0;
  61         nMajor = aVersion.getToken( 0, '.', nIndex ).toInt32();
  62         if( nIndex > 0 )
  63             nMinor = aVersion.getToken( 0, '.', nIndex ).toInt32();
  64         if( nMajor != 4 || nMinor < 1 )
  65         {
  66 #if OSL_DEBUG_LEVEL > 1
  67             sal_Int32 nMicro = 0;
  68             if( nIndex > 0 )
  69                 nMicro = aVersion.getToken( 0, '.', nIndex ).toInt32();
  70             SAL_INFO( "vcl.kde4", "unsuitable qt version " << nMajor << "." << nMinor << "." << nMicro );
  71 #endif
  72             return nullptr;
  73         }
  74 #endif
  75
  76         KDESalInstance* pInstance = new KDESalInstance( o3tl::make_unique<SalYieldMutex>() );
  77         SAL_INFO( "vcl.kde4", "created KDESalInstance " << &pInstance );
  78
  79         // initialize SalData
  80         KDEData *salData = new KDEData( pInstance );
  81         salData->Init();
  82         salData->initNWF();
  83         pInstance->SetLib(salData->GetLib());
  84
  85         return pInstance;
  86     }
  87 }
  88
  89 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */