vcl/workben/svpclient.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 <sal/main.h>
  21 #include <sal/log.hxx>
  22
  23 #include <cppuhelper/bootstrap.hxx>
  24 #include <comphelper/processfactory.hxx>
  25
  26 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  27 #include <com/sun/star/uno/XComponentContext.hpp>
  28
  29 #include <vcl/event.hxx>
  30 #include <vcl/svapp.hxx>
  31 #include <vcl/wrkwin.hxx>
  32 #include <vcl/button.hxx>
  33 #include <vcl/lstbox.hxx>
  34 #include <vcl/fixed.hxx>
  35 #include <vcl/bitmapex.hxx>
  36 #include <vcl/graphicfilter.hxx>
  37 #include <vcl/graph.hxx>
  38 #include <tools/diagnose_ex.h>
  39 #include <tools/extendapplicationenvironment.hxx>
  40 #include <tools/stream.hxx>
  41
  42 #include <rtl/strbuf.hxx>
  43 #include <rtl/ustrbuf.hxx>
  44
  45 #include <math.h>
  46
  47 #include <errno.h>
  48 #include <string.h>
  49 #include <unistd.h>
  50 #include <sys/types.h>
  51 #include <sys/socket.h>
  52 #include <netinet/in.h>
  53
  54 using namespace ::com::sun::star::uno;
  55 using namespace ::com::sun::star::lang;
  56 using namespace cppu;
  57
  58 // Forward declaration
  59 static void Main();
  60
  61 SAL_IMPLEMENT_MAIN()
  62 {
  63     try
  64     {
  65         tools::extendApplicationEnvironment();
  66
  67         // create the global service-manager
  68         Reference< XComponentContext > xContext = defaultBootstrap_InitialComponentContext();
  69         Reference< XMultiServiceFactory > xServiceManager( xContext->getServiceManager(), UNO_QUERY );
  70
  71         if( !xServiceManager.is() )
  72             Application::Abort( "Failed to bootstrap" );
  73
  74         comphelper::setProcessServiceFactory( xServiceManager );
  75
  76         InitVCL();
  77         ::Main();
  78         DeInitVCL();
  79     }
  80     catch (const Exception&)
  81     {
  82         TOOLS_WARN_EXCEPTION("vcl", "Fatal");
  83         return 1;
  84     }
  85     catch (const std::exception& e)
  86     {
  87         SAL_WARN("vcl", "Fatal: " << e.what());
  88         return 1;
  89     }
  90
  91     return 0;
  92 }
  93
  94 class MyWin : public WorkWindow
  95 {
  96     VclPtr<PushButton>   m_aListButton;
  97     VclPtr<ListBox>      m_aSvpBitmaps;
  98     VclPtr<FixedImage> m_aImage;
  99     VclPtr<PushButton>   m_aQuitButton;
 100 public:
 101                  MyWin( vcl::Window* pParent, WinBits nWinStyle );
 102
 103     virtual bool Close() override;
 104     virtual ~MyWin() override { disposeOnce(); }
 105     virtual void dispose() override;
 106
 107     void parseList( const OString& rList );
 108     static OString processCommand( const OString& rCommand );
 109
 110     DECL_LINK( ListHdl, Button*, void );
 111     DECL_LINK( SelectHdl, ListBox&, void );
 112     DECL_STATIC_LINK( MyWin, QuitHdl, Button*, void );
 113 };
 114
 115 void Main()
 116 {
 117     ScopedVclPtrInstance< MyWin > aMainWin( nullptr, WB_STDWORK );
 118     aMainWin->SetText( "SvpClient" );
 119     aMainWin->Show();
 120
 121     Application::Execute();
 122 }
 123
 124 MyWin::MyWin( vcl::Window* pParent, WinBits nWinStyle ) :
 125     WorkWindow( pParent, nWinStyle ),
 126     m_aListButton(VclPtr<PushButton>::Create(this, 0)),
 127     m_aSvpBitmaps(VclPtr<ListBox>::Create(this, WB_BORDER)),
 128     m_aImage(VclPtr<FixedImage>::Create(this, WB_BORDER)),
 129     m_aQuitButton(VclPtr<PushButton>::Create(this, 0))
 130 {
 131     m_aListButton->SetPosSizePixel( Point( 10, 10 ), Size( 120, 25 ) );
 132     m_aListButton->SetText( "List Elements" );
 133     m_aListButton->SetClickHdl( LINK( this, MyWin, ListHdl ) );
 134     m_aListButton->Show();
 135
 136     m_aSvpBitmaps->SetPosSizePixel( Point( 10, 40 ), Size( 150, 150 ) );
 137     m_aSvpBitmaps->SetSelectHdl( LINK( this, MyWin, SelectHdl ) );
 138     m_aSvpBitmaps->Show();
 139
 140     m_aImage->SetPosSizePixel( Point( 170, 10 ), Size( 400, 400 ) );
 141     m_aImage->Show();
 142
 143     m_aQuitButton->SetPosSizePixel( Point( 10, 300 ), Size( 120,25 ) );
 144     m_aQuitButton->SetText( "Quit SVP server" );
 145     m_aQuitButton->SetClickHdl( LINK( this, MyWin, QuitHdl ) );
 146     m_aQuitButton->Show();
 147 }
 148
 149 bool MyWin::Close()
 150 {
 151     bool bRet = WorkWindow::Close();
 152     if( bRet )
 153         Application::Quit();
 154     return bRet;
 155 }
 156
 157 void MyWin::dispose()
 158 {
 159     m_aListButton.disposeAndClear();
 160     m_aSvpBitmaps.disposeAndClear();
 161     m_aImage.disposeAndClear();
 162     m_aQuitButton.disposeAndClear();
 163     WorkWindow::dispose();
 164 }
 165
 166 void MyWin::parseList( const OString& rList )
 167 {
 168     sal_Int32 nTokenPos = 0;
 169     OUString aElementType;
 170     m_aSvpBitmaps->Clear();
 171     while( nTokenPos >= 0 )
 172     {
 173         OString aLine = rList.getToken( 0, '\n', nTokenPos );
 174         if( ! aLine.getLength() || *aLine.getStr() == '#' )
 175             continue;
 176
 177         if( aLine.startsWith( "ElementType: " ) )
 178             aElementType = OStringToOUString( aLine.copy( 13 ), RTL_TEXTENCODING_ASCII_US );
 179         else
 180         {
 181             OUString aNewElement =
 182                 aElementType + ": " +
 183                 OStringToOUString( aLine, RTL_TEXTENCODING_ASCII_US );
 184             m_aSvpBitmaps->InsertEntry( aNewElement );
 185         }
 186     }
 187 }
 188
 189 OString MyWin::processCommand( const OString& rCommand )
 190 {
 191     static const char* pEnv = getenv("SVP_LISTENER_PORT");
 192     OStringBuffer aAnswer;
 193     int nPort = (pEnv && *pEnv) ? atoi(pEnv) : 8000;
 194     int nSocket = socket( PF_INET, SOCK_STREAM, 0 );
 195     if( nSocket >= 0)
 196     {
 197         struct sockaddr_in addr;
 198         memset(&addr, 0, sizeof(struct sockaddr_in));
 199         addr.sin_family = AF_INET;
 200         addr.sin_port = htons(nPort);
 201         addr.sin_addr.s_addr = INADDR_ANY;
 202         if( connect( nSocket, reinterpret_cast<sockaddr*>(&addr), sizeof(addr) ) )
 203         {
 204             perror( "SvpElementContainer: connect() failed" );
 205         }
 206         else
 207         {
 208             ssize_t nBytes = 0;
 209             ssize_t fd = write( nSocket, rCommand.getStr(), rCommand.getLength() );
 210
 211             if (fd == 0)
 212                 SAL_WARN("vcl", "Connection closed on other end");
 213             else if (fd < 0)
 214                 SAL_WARN("vcl", "Error writing to socket: " << strerror( errno ));
 215
 216             fd = write( nSocket, "\n", 1 );
 217
 218             if (fd == 0)
 219                 SAL_WARN("vcl", "Connection closed on other end");
 220             else if (fd < 0)
 221                 SAL_WARN("vcl", "Error writing to socket: " << strerror( errno ));
 222
 223
 224             char buf[256];
 225             do
 226             {
 227                 nBytes = read( nSocket, buf, sizeof(buf) );
 228                 aAnswer.append( buf, nBytes );
 229             } while( nBytes == sizeof( buf ) );
 230         }
 231         close(nSocket);
 232     }
 233     else
 234         perror( "SvpElementContainer: socket() failed\n" );
 235     return aAnswer.makeStringAndClear();
 236 }
 237
 238 IMPL_LINK_NOARG( MyWin, ListHdl, Button*, void)
 239 {
 240     parseList( processCommand( "list" ) );
 241 }
 242
 243 IMPL_STATIC_LINK_NOARG( MyWin, QuitHdl, Button*, void)
 244 {
 245     processCommand( "quit" );
 246 }
 247
 248 IMPL_LINK_NOARG( MyWin, SelectHdl, ListBox&, void)
 249 {
 250     OUString aEntry = m_aSvpBitmaps->GetSelectedEntry();
 251     sal_Int32 nPos = aEntry.indexOf( ": " );
 252     if( nPos == -1 )
 253         return;
 254
 255     OString aCommand =
 256         "get " +
 257         OUStringToOString( aEntry.copy( nPos+2 ), RTL_TEXTENCODING_ASCII_US );
 258     OString aAnswer( processCommand( aCommand ) );
 259     SvMemoryStream aStream( aAnswer.getLength() );
 260     aStream.WriteBytes( aAnswer.getStr(), aAnswer.getLength() );
 261     aStream.Seek( STREAM_SEEK_TO_BEGIN );
 262
 263     Graphic aGraphicResult;
 264     GraphicFilter &rFilter = GraphicFilter::GetGraphicFilter();
 265     rFilter.ImportGraphic( aGraphicResult, OUString("import"), aStream );
 266
 267     BitmapEx aBitmap = aGraphicResult.GetBitmapEx();
 268
 269     SAL_INFO("vcl", "got bitmap of size " << aBitmap.GetSizePixel().Width() << "x" << aBitmap.GetSizePixel().Height());
 270     Size aFixedSize( aBitmap.GetSizePixel() );
 271     aFixedSize.AdjustWidth(10 );
 272     aFixedSize.AdjustHeight(10 );
 273     m_aImage->SetSizePixel( aFixedSize );
 274     m_aImage->SetImage( Image( aBitmap ) );
 275
 276 }
 277
 278
 279 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */