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 "ui_AboutUi.h"
  16
  17 #include "qt_helpers.h"
  18 #include "version.h"
  19
  20 #include "support/filetools.h"
  21 #include "support/gettext.h"
  22 #include "support/lstrings.h"
  23 #include "support/Package.h"
  24
  25 #include <QDate>
  26 #include <QtCore>
  27 #include <QtGui>
  28
  29 using namespace lyx::support;
  30 using lyx::support::package;
  31 using lyx::support::makeDisplayPath;
  32
  33
  34 namespace lyx {
  35 namespace frontend {
  36
  37
  38 static QDate release_date()
  39 {
  40         return QDate::fromString(QString(lyx_release_date), Qt::ISODate);
  41 }
  42
  43
  44 static QString credits()
  45 {
  46         QString res;
  47         QFile file(toqstr(package().system_support().absFilename()) + "/CREDITS");
  48         QTextStream out(&res);
  49
  50         if (file.isReadable()) {
  51                 out << qt_("ERROR: LyX wasn't able to read CREDITS file\n");
  52                 out << qt_("Please install correctly to estimate the great\n");
  53                 out << qt_("amount of work other people have done for the LyX project.");
  54         } else {
  55                 file.open(QIODevice::ReadOnly);
  56                 QTextStream ts(&file);
  57                 ts.setCodec("UTF-8");
  58                 QString line;
  59                 do {
  60                         line = ts.readLine();
  61                         if (line.startsWith("@b"))
  62                                 out << "<b>" << line.mid(2) << "</b>";
  63                         else if (line.startsWith("@i")) {
  64                                 if (line.startsWith("@iE-mail")) {
  65                                         // unmask email
  66                                         line.replace(QString(" () "), QString("@"));
  67                                         line.replace(QString(" ! "), QString("."));
  68                                 }
  69                                 out << "<i>" << line.mid(2) << "</i>";
  70                         } else
  71                                 out << line;
  72                         out << "<br>";
  73                 } while (!line.isNull());
  74         }
  75         out.flush();
  76         return res;
  77 }
  78
  79
  80 static QString copyright()
  81 {
  82         QString release_year = release_date().toString("yyyy");
  83         docstring copy_message =
  84                 bformat(_("LyX is Copyright (C) 1995 by Matthias Ettrich,\n1995--%1$s LyX Team"),
  85                         qstring_to_ucs4(release_year));
  86         return toqstr(copy_message);
  87 }
  88
  89
  90 static QString license()
  91 {
  92         return qt_("This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.");
  93 }
  94
  95
  96 static QString disclaimer()
  97 {
  98         return qt_("LyX is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\nSee the GNU General Public License for more details.\nYou should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.");
  99 }
 100
 101
 102 static QString version()
 103 {
 104         QString loc_release_date;
 105         QDate date = release_date();
 106         if (date.isValid()) {
 107                 QLocale loc;
 108                 loc_release_date = loc.toString(date, QLocale::LongFormat);
 109         } else {
 110                 if (QString(lyx_release_date) == "not released yet")
 111                         loc_release_date = qt_("not released yet");
 112                 else
 113                         loc_release_date = toqstr(lyx_release_date);
 114         }
 115         docstring version_date =
 116                 bformat(_("LyX Version %1$s\n(%2$s)"),
 117                         from_ascii(lyx_version),
 118                         qstring_to_ucs4(loc_release_date))+"\n\n";
 119         QString res;
 120         QTextStream out(&res);
 121         out << toqstr(version_date);
 122         out << qt_("Library directory: ");
 123         out << toqstr(makeDisplayPath(package().system_support().absFilename()));
 124         out << "\n";
 125         out << qt_("User directory: ");
 126         out << toqstr(makeDisplayPath(package().user_support().absFilename()));
 127         return res;
 128 }
 129
 130
 131 struct GuiAbout::Private
 132 {
 133         Ui::AboutUi ui;
 134 };
 135
 136
 137 GuiAbout::GuiAbout(GuiView & lv)
 138         : DialogView(lv, "aboutlyx", qt_("About LyX")),
 139         d(new GuiAbout::Private)
 140 {
 141         d->ui.setupUi(this);
 142
 143         d->ui.copyrightTB->setPlainText(copyright());
 144         d->ui.copyrightTB->append(QString());
 145         d->ui.copyrightTB->append(license());
 146         d->ui.copyrightTB->append(QString());
 147         d->ui.copyrightTB->append(disclaimer());
 148
 149         d->ui.versionLA->setText(version());
 150         d->ui.creditsTB->setHtml(credits());
 151 }
 152
 153
 154 void GuiAbout::on_closePB_clicked()
 155 {
 156         close();
 157 }
 158
 159
 160 Dialog * createGuiAbout(GuiView & lv) { return new GuiAbout(lv); }
 161
 162
 163 } // namespace frontend
 164 } // namespace lyx
 165
 166 #include "moc_GuiAbout.cpp"