src/frontends/controllers/ControlCredits.C

   1 /**
   2  * \file ControlCredits.C
   3  * Copyright 2001 The LyX Team.
   4  * See the file COPYING.
   5  *
   6  * \author Edwin Leuven, leuven@fee.uva.nl
   7  * \author Angus Leeming, a.leeming@.ac.uk
   8  */
   9
  10 #include <config.h>
  11 #include <fstream>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "ViewBase.h"
  18 #include "ButtonControllerBase.h"
  19 #include "ControlCredits.h"
  20 #include "Dialogs.h"
  21 #include "LyXView.h"
  22 #include "BufferView.h"
  23 #include "gettext.h"
  24 #include "support/filetools.h" // FileSearch
  25
  26 // needed for the browser
  27 extern string system_lyxdir;
  28
  29
  30 ControlCredits::ControlCredits(LyXView & lv, Dialogs & d)
  31         : ControlDialog<ControlConnectBI>(lv, d)
  32 {
  33         d_.showCredits.connect(SigC::slot(this, &ControlCredits::show));
  34 }
  35
  36
  37 std::stringstream & ControlCredits::getCredits(std::stringstream & ss) const
  38 {
  39         string const name = FileSearch(system_lyxdir, "CREDITS");
  40
  41         bool found(!name.empty());
  42
  43         if (found) {
  44                 std::ifstream in(name.c_str());
  45                 found = (in.get());
  46
  47                 if (found) {
  48                         in.seekg(0, std::ios::beg); // rewind to the beginning
  49
  50                         ss << in.rdbuf();
  51                         found = (ss.good());
  52                 }
  53         }
  54
  55         if (!found) {
  56                 ss << _("ERROR: LyX wasn't able to read CREDITS file\n")
  57                    << _("Please install correctly to estimate the great\n")
  58                    << _("amount of work other people have done for the LyX project.");
  59         }
  60
  61         return ss;
  62 }