src/frontends/qt4/GuiAbout.cpp

   1 /**
   2  * \file GuiAbout.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Kalle Dalheimer
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "GuiAbout.h"
  14
  15 #include "qt_helpers.h"
  16 #include "version.h"
  17
  18 #include "support/filetools.h"
  19 #include "support/gettext.h"
  20 #include "support/lstrings.h"
  21 #include "support/Package.h"
  22
  23 #include <QDate>
  24 #include <QtCore>
  25 #include <QtGui>
  26
  27 using namespace lyx::support;
  28 using lyx::support::package;
  29 using lyx::support::makeDisplayPath;
  30
  31
  32 namespace lyx {
  33 namespace frontend {
  34
  35
  36 static QDate release_date()
  37 {
  38         return QDate::fromString(QString(lyx_release_date), Qt::ISODate);
  39 }
  40
  41
  42 static QString credits()
  43 {
  44         QString res;
  45         QFile file(toqstr(package().system_support().absFilename()) + "/CREDITS");
  46         QTextStream out(&res);
  47
  48         if (file.isReadable()) {
  49                 out << qt_("ERROR: LyX wasn't able to read CREDITS file\n");
  50                 out << qt_("Please install correctly to estimate the great\n");
  51                 out << qt_("amount of work other people have done for the LyX project.");
  52         } else {
  53                 file.open(QIODevice::ReadOnly);
  54                 QTextStream ts(&file);
  55                 ts.setCodec("UTF-8");
  56                 QString line;
  57                 do {
  58                         line = ts.readLine();
  59                         if (line.startsWith("@b"))
  60                                 out << "<b>" << line.mid(2) << "</b>";
  61                         else if (line.startsWith("@i"))
  62                                 out << "<i>" << line.mid(2) << "</i>";
  63                         else
  64                                 out << line;
  65                         out << "<br>";
  66                 } while (!line.isNull());
  67         }
  68         out.flush();
  69         return res;
  70 }
  71
  72
  73 static QString copyright()
  74 {
  75         QString release_year = release_date().toString("yyyy");
  76         docstring copy_message =
  77                 bformat(_("LyX is Copyright (C) 1995 by Matthias Ettrich,\n1995--%1$s LyX Team"),
  78                         qstring_to_ucs4(release_year));
  79         return toqstr(copy_message);
  80 }
  81
  82
  83 static QString license()
  84 {
  85         return qt_("This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.");
  86 }
  87
  88
  89 static QString disclaimer()
  90 {
  91         return qt_("LyX is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\nSee the GNU General Public License for more details.\nYou should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.");
  92 }
  93
  94
  95 static QString version()
  96 {
  97         QLocale loc;
  98         QString loc_release_date =
  99                 loc.toString(release_date(), QLocale::LongFormat);
 100         if (loc_release_date.isEmpty()) {
 101                 if (QString(lyx_release_date) == "not released yet")
 102                         loc_release_date = qt_("not released yet");
 103                 else
 104                         loc_release_date = toqstr(lyx_release_date);
 105         }
 106         docstring version_date =
 107                 bformat(_("LyX Version %1$s\n(%2$s)"),
 108                         from_ascii(lyx_version),
 109                         qstring_to_ucs4(loc_release_date))+"\n\n";
 110         QString res;
 111         QTextStream out(&res);
 112         out << toqstr(version_date);
 113         out << qt_("Library directory: ");
 114         out << toqstr(makeDisplayPath(package().system_support().absFilename()));
 115         out << "\n";
 116         out << qt_("User directory: ");
 117         out << toqstr(makeDisplayPath(package().user_support().absFilename()));
 118         return res;
 119 }
 120
 121
 122 GuiAbout::GuiAbout(GuiView & lv)
 123         : GuiDialog(lv, "aboutlyx", qt_("About LyX"))
 124 {
 125         setupUi(this);
 126
 127         connect(closePB, SIGNAL(clicked()), this, SLOT(reject()));
 128
 129         copyrightTB->setPlainText(copyright());
 130         copyrightTB->append(QString());
 131         copyrightTB->append(license());
 132         copyrightTB->append(QString());
 133         copyrightTB->append(disclaimer());
 134
 135         versionLA->setText(version());
 136         creditsTB->setHtml(credits());
 137 }
 138
 139
 140 Dialog * createGuiAbout(GuiView & lv) { return new GuiAbout(lv); }
 141
 142
 143 } // namespace frontend
 144 } // namespace lyx
 145
 146 #include "moc_GuiAbout.cpp"