tdebase/kate/app/katemain.cpp

/* This file is part of the KDE project
   Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org>
   Copyright (C) 2002 Joseph Wenninger <jowenn@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include "kateapp.h"

#include <kstandarddirs.h>
#include <klocale.h>
#include <kcmdlineargs.h>
#include <kaboutdata.h>
#include <kglobal.h>
#include <kconfig.h>
#include <kinstance.h>
#include <kstartupinfo.h>
#include <dcopclient.h>
#include <dcopref.h>
#include <kdebug.h>

#include <tqtextcodec.h>

#include <stdlib.h>

static KCmdLineOptions options[] =
{
    { "s", 0 , 0 },
    { "start <name>", I18N_NOOP("Start Kate with a given session"), 0 },
    { "u", 0, 0 },
    { "use", I18N_NOOP("Use a already running kate instance (if possible)"), 0 },
    { "p", 0, 0 },
    { "pid <pid>", I18N_NOOP("Only try to reuse kate instance with this pid"), 0 },
    { "e", 0, 0 },
    { "encoding <name>", I18N_NOOP("Set encoding for the file to open"), 0 },
    { "l", 0, 0 },
    { "line <line>", I18N_NOOP("Navigate to this line"), 0 },
    { "c", 0, 0 },
    { "column <column>", I18N_NOOP("Navigate to this column"), 0 },
    { "i", 0, 0 },
    { "stdin", I18N_NOOP("Read the contents of stdin"), 0 },
    { "+[URL]", I18N_NOOP("Document to open"), 0 },
    KCmdLineLastOption
};

extern "C" KDE_EXPORT int kdemain( int argc, char **argv )
{
  // here we go, construct the Kate version
  TQString kateVersion = KateApp::kateVersion();

  KAboutData aboutData ("kate", I18N_NOOP("Kate"), kateVersion.latin1(),
                        I18N_NOOP( "Kate - Advanced Text Editor" ), KAboutData::License_LGPL_V2,
                        I18N_NOOP( "(c) 2000-2005 The Kate Authors" ), 0, "http://kate.kde.org");

  aboutData.addAuthor ("Christoph Cullmann", I18N_NOOP("Maintainer"), "cullmann@kde.org", "http://www.babylon2k.de");
  aboutData.addAuthor ("Anders Lund", I18N_NOOP("Core Developer"), "anders@alweb.dk", "http://www.alweb.dk");
  aboutData.addAuthor ("Joseph Wenninger", I18N_NOOP("Core Developer"), "jowenn@kde.org","http://stud3.tuwien.ac.at/~e9925371");
  aboutData.addAuthor ("Hamish Rodda",I18N_NOOP("Core Developer"), "rodda@kde.org");
  aboutData.addAuthor ("Waldo Bastian", I18N_NOOP( "The cool buffersystem" ), "bastian@kde.org" );
  aboutData.addAuthor ("Charles Samuels", I18N_NOOP("The Editing Commands"), "charles@kde.org");
  aboutData.addAuthor ("Matt Newell", I18N_NOOP("Testing, ..."), "newellm@proaxis.com");
  aboutData.addAuthor ("Michael Bartl", I18N_NOOP("Former Core Developer"), "michael.bartl1@chello.at");
  aboutData.addAuthor ("Michael McCallum", I18N_NOOP("Core Developer"), "gholam@xtra.co.nz");
  aboutData.addAuthor ("Jochen Wilhemly", I18N_NOOP( "KWrite Author" ), "digisnap@cs.tu-berlin.de" );
  aboutData.addAuthor ("Michael Koch",I18N_NOOP("KWrite port to KParts"), "koch@kde.org");
  aboutData.addAuthor ("Christian Gebauer", 0, "gebauer@kde.org" );
  aboutData.addAuthor ("Simon Hausmann", 0, "hausmann@kde.org" );
  aboutData.addAuthor ("Glen Parker",I18N_NOOP("KWrite Undo History, Kspell integration"), "glenebob@nwlink.com");
  aboutData.addAuthor ("Scott Manson",I18N_NOOP("KWrite XML Syntax highlighting support"), "sdmanson@alltel.net");
  aboutData.addAuthor ("John Firebaugh",I18N_NOOP("Patches and more"), "jfirebaugh@kde.org");
  aboutData.addAuthor ("Dominik Haumann", I18N_NOOP("Developer & Highlight wizard"), "dhdev@gmx.de");

  aboutData.addCredit ("Matteo Merli",I18N_NOOP("Highlighting for RPM Spec-Files, Perl, Diff and more"), "merlim@libero.it");
  aboutData.addCredit ("Rocky Scaletta",I18N_NOOP("Highlighting for VHDL"), "rocky@purdue.edu");
  aboutData.addCredit ("Yury Lebedev",I18N_NOOP("Highlighting for SQL"),"");
  aboutData.addCredit ("Chris Ross",I18N_NOOP("Highlighting for Ferite"),"");
  aboutData.addCredit ("Nick Roux",I18N_NOOP("Highlighting for ILERPG"),"");
  aboutData.addCredit ("Carsten Niehaus", I18N_NOOP("Highlighting for LaTeX"),"");
  aboutData.addCredit ("Per Wigren", I18N_NOOP("Highlighting for Makefiles, Python"),"");
  aboutData.addCredit ("Jan Fritz", I18N_NOOP("Highlighting for Python"),"");
  aboutData.addCredit ("Daniel Naber","","");
  aboutData.addCredit ("Roland Pabel",I18N_NOOP("Highlighting for Scheme"),"");
  aboutData.addCredit ("Cristi Dumitrescu",I18N_NOOP("PHP Keyword/Datatype list"),"");
  aboutData.addCredit ("Carsten Pfeiffer", I18N_NOOP("Very nice help"), "");
  aboutData.addCredit (I18N_NOOP("All people who have contributed and I have forgotten to mention"),"","");

  aboutData.setTranslator(I18N_NOOP2("NAME OF TRANSLATORS","Your names"), I18N_NOOP2("EMAIL OF TRANSLATORS","Your emails"));

  // command line args init and co
  KCmdLineArgs::init (argc, argv, &aboutData);
  KCmdLineArgs::addCmdLineOptions (options);
  KCmdLineArgs::addTempFileOption();
  KateApp::addCmdLineOptions ();

  // get our command line args ;)
  KCmdLineArgs* args = KCmdLineArgs::parsedArgs();

  // now, first try to contact running kate instance if needed
  if ( args->isSet("use") || (::getenv("KATE_PID")!=0) )
  {
    DCOPClient client;
    client.attach ();

    // get all attached clients ;)
    QCStringList allClients = client.registeredApplications();

    // search for a kate app client, use the first found
    TQCString kateApp;

    if ( args->isSet("start") )
    {
      for (unsigned int i=0; i < allClients.count(); i++)
      {
        if (allClients[i] == "kate" || allClients[i].left(5) == "kate-")
        {
          DCOPRef ref( allClients[i], "KateApplication" );
          TQString s = ref.call( "session" );
          if ( TQString(args->getOption("start")) == s )
          {
            kateApp = allClients[i];
            break;
          }
        }
      }
    }
    else if ( (args->isSet("pid")) || (::getenv("KATE_PID") !=0 ) )
    {
      TQCString tryApp;
      if ( args->isSet("pid") )
        tryApp = args->getOption("pid");
      else
        tryApp = ::getenv("KATE_PID");

      if ( client.isApplicationRegistered( tryApp.prepend("kate-") ) )
        kateApp = tryApp;
    }
    else
    {
      for (unsigned int i=0; i < allClients.count(); ++i)
      {
        if (allClients[i] == "kate" || allClients[i].left(5) == "kate-")
        {
          kateApp = allClients[i];
          break;
        }
      }
    }

    // found a matching kate client ;)
    if (!kateApp.isEmpty())
    {
      kdDebug () << "kate app: " << kateApp << endl;
      // make tdeinit happy
      client.registerAs( "kate" );

      DCOPRef kRef (kateApp, "KateApplication");

      if (args->isSet ("start"))
        kRef.call( "activateSession", TQString (args->getOption("start")) );

      TQString enc = args->isSet("encoding") ? args->getOption("encoding") : TQCString("");

      bool tempfileSet = KCmdLineArgs::isTempFileSet();

      for (int z=0; z<args->count(); z++)
        kRef.call( "openURL", args->url(z), enc, tempfileSet );

      if( args->isSet( "stdin" ) )
      {
        TQTextIStream input(stdin);

        // set chosen codec
        TQTextCodec *codec = args->isSet("encoding") ? TQTextCodec::codecForName(args->getOption("encoding")) : 0;

        if (codec)
          input.setCodec (codec);

        TQString line;
        TQString text;

        do
        {
          line = input.readLine();
          text.append( line + "\n" );
        } while( !line.isNull() );

        kRef.call( "openInput", text );
      }

      int line = 0;
      int column = 0;
      bool nav = false;

      if (args->isSet ("line"))
      {
        line = args->getOption ("line").toInt();
        nav = true;
      }

      if (args->isSet ("column"))
      {
        column = args->getOption ("column").toInt();
        nav = true;
      }

      if (nav)
         kRef.call( "setCursor", line, column );

      // since the user tried to open a document, let us assume [s]he
      // wants to see that document.
      // ### what to do about the infamous focus stealing prevention?
      uint mwn = kRef.call("activeMainWindowNumber");
      TQCString smwn;
      DCOPRef wRef( kateApp, TQCString( "__KateMainWindow#") + smwn.setNum(mwn) );
      if ( wRef.call("minimized") )
      {
        if ( wRef.call( "maximized" ) )
          wRef.call( "maximize" );
        else
          wRef.call("restore");
      }
      // The --use parameter forces Kate to use a single session window to host
      // all opened files. Generally, that parameter works. Yet when a file is
      // opened into Kate externally, such as from Konqueror, Kate will pop
      // forward (raise) but not grab the focus (show). The following snippet
      // resolves that problem. For whatever reason the hide call is needed
      // before the raise and show otherwise the snippet fails. Some extra glue
      // might be needed. With Kate open:
      // "Right-click" on the title bar
      // Select Advanced
      // Select Special Application Settings (Not Special Window Settings)
      // Select the Workarounds tab
      // Enable the Focus stealing prevention check box
      // Select the Force option
      // Select the None option

      wRef.call( "hide" );
      wRef.call( "raise" );
      wRef.call( "show" );

      // stop startup notification
      KStartupInfo::appStarted(  );

      return 0;
    }
  }

  // construct the real kate app object ;)
  KateApp app (args);

  // app execution should already end :)
  if (app.shouldExit())
  {
    return 0;
  }

  // execute ourself ;)
  return app.exec();
}

// kate: space-indent on; indent-width 2; replace-tabs on; mixed-indent off;