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 <QFile>
  27 #include <QTextStream>
  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.exists()) {
  51                 out << qt_("ERROR: LyX wasn't able to find the 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                 if (!file.isReadable()) {
  57                         out << qt_("ERROR: LyX wasn't able to read the CREDITS file\n");
  58                         out << qt_("Please install correctly to estimate the great\n");
  59                         out << qt_("amount of work other people have done for the LyX project.");
  60                 } else {
  61                         QTextStream ts(&file);
  62                         ts.setCodec("UTF-8");
  63                         QString line;
  64                         do {
  65                                 line = ts.readLine();
  66                                 if (line.startsWith("@b"))
  67                                         out << "<b>" << line.mid(2) << "</b>";
  68                                 else if (line.startsWith("@i")) {
  69                                         if (line.startsWith("@iE-mail")) {
  70                                                 // unmask email
  71                                                 line.replace(QString(" () "), QString("@"));
  72                                                 line.replace(QString(" ! "), QString("."));
  73                                         }
  74                                         out << "<i>" << line.mid(2) << "</i>";
  75                                 } else
  76                                         out << line;
  77                                 out << "<br>";
  78                         } while (!line.isNull());
  79                 }
  80         }
  81         out.flush();
  82         return res;
  83 }
  84
  85
  86 static QString release_notes()
  87 {
  88         QString res;
  89         QFile file(toqstr(package().system_support().absFileName()) + "/RELEASE-NOTES");
  90         QTextStream out(&res);
  91
  92         if (!file.exists()) {
  93                 out << qt_("ERROR: LyX wasn't able to find the RELEASE-NOTES file\n");
  94                 out << qt_("Please install correctly to see what has changed\n");
  95                 out << qt_("for this version of LyX.");
  96         } else {
  97                 file.open(QIODevice::ReadOnly);
  98                 if (!file.isReadable()) {
  99                         out << qt_("ERROR: LyX wasn't able to read the RELEASE-NOTES file\n");
 100                         out << qt_("Please install correctly to see what has changed\n");
 101                         out << qt_("for this version of LyX.");
 102                 } else {
 103                         QTextStream ts(&file);
 104                         ts.setCodec("UTF-8");
 105                         QString line;
 106                         bool incomment = false;
 107                         bool inlist = false;
 108                         do {
 109                                 // a simple markdown parser
 110                                 line = ts.readLine();
 111                                 // skipe empty lines
 112                                 if (line.isEmpty())
 113                                         continue;
 114                                 // parse (:comments:)
 115                                 if (line.startsWith("(:")) {
 116                                         if (!line.endsWith(":)"))
 117                                                 incomment = true;
 118                                         continue;
 119                                 } if (line.endsWith(":)") && incomment) {
 120                                         incomment = false;
 121                                         continue;
 122                                 } if (incomment)
 123                                         continue;
 124
 125                                 // detect links to the tracker
 126                                 line.replace(QRegExp("(bug )(\\#)(\\d+)*"),
 127                                              "<a href=\"http://www.lyx.org/trac/ticket/\\3\">\\1\\3</a>");
 128
 129                                 // headings
 130                                 if (line.startsWith("!!!")) {
 131                                         if (inlist) {
 132                                             out << "</li>";
 133                                             out << "</ul><br>";
 134                                             inlist = false;
 135                                         }
 136                                         out << "<h4>" << line.mid(3) << "</h4>";
 137                                 }
 138                                 else if (line.startsWith("!!")) {
 139                                         if (inlist) {
 140                                             out << "</li>";
 141                                             out << "</ul><br>";
 142                                             inlist = false;
 143                                         }
 144                                         out << "<h3>" << line.mid(2) << "</h3>";
 145                                 } else if (line.startsWith("!")) {
 146                                         if (inlist) {
 147                                             out << "</li>";
 148                                             out << "</ul><br>";
 149                                             inlist = false;
 150                                         }
 151                                         out << "<h2>" << line.mid(1) << "</h2>";
 152                                 // lists
 153                                 } else if (line.startsWith("* ")) {
 154                                         if (inlist)
 155                                                 out << "</li>";
 156                                         else
 157                                                 out << "<ul>";
 158                                         inlist = true;
 159                                         out << "<li>" << line.mid(2);
 160                                 } else if (inlist && line.startsWith("  ")) {
 161                                         out << line.mid(2);
 162                                 } else if (inlist) {
 163                                         inlist = false;
 164                                         out << "</li>";
 165                                         out << "</ul><br>";
 166                                         out << line;
 167                                 } else
 168                                         out << line;
 169
 170                                 out << " ";
 171                         } while (!line.isNull());
 172                 }
 173         }
 174         out.flush();
 175         return res;
 176 }
 177
 178
 179 static QString copyright()
 180 {
 181         QString release_year = release_date().toString("yyyy");
 182         docstring copy_message =
 183                 bformat(_("LyX is Copyright (C) 1995 by Matthias Ettrich,\n1995--%1$s LyX Team"),
 184                         qstring_to_ucs4(release_year));
 185         return toqstr(copy_message);
 186 }
 187
 188
 189 static QString license()
 190 {
 191         return qt_("This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.");
 192 }
 193
 194
 195 static QString disclaimer()
 196 {
 197         return qt_("LyX is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\nSee the GNU General Public License for more details.\nYou should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.");
 198 }
 199
 200
 201 static QString version()
 202 {
 203         QString loc_release_date;
 204         QDate date = release_date();
 205         if (date.isValid()) {
 206                 QLocale loc;
 207                 loc_release_date = loc.toString(date, QLocale::LongFormat);
 208         } else {
 209                 if (QString(lyx_release_date) == "not released yet")
 210                         loc_release_date = qt_("not released yet");
 211                 else
 212                         loc_release_date = toqstr(lyx_release_date);
 213         }
 214         docstring version_date =
 215                 bformat(_("LyX Version %1$s\n(%2$s)"),
 216                         from_ascii(lyx_version),
 217                         qstring_to_ucs4(loc_release_date))+"\n";
 218         if (std::string(lyx_git_commit_hash) != "none")
 219                 version_date += _("Built from git commit hash ")
 220                         + from_utf8(lyx_git_commit_hash).substr(0,8);
 221         version_date += "\n";
 222
 223         QString res;
 224         QTextStream out(&res);
 225         out << toqstr(version_date);
 226         out << qt_("Library directory: ");
 227         out << toqstr(makeDisplayPath(package().system_support().absFileName()));
 228         out << "\n";
 229         out << qt_("User directory: ");
 230         out << toqstr(makeDisplayPath(package().user_support().absFileName()));
 231         out << "\n";
 232         out << toqstr(bformat(_("Qt Version (run-time): %1$s"), from_ascii(qVersion()))) << "\n";
 233         out << toqstr(bformat(_("Qt Version (compile-time): %1$s"), from_ascii(QT_VERSION_STR))) << "\n";
 234         return res;
 235 }
 236
 237 static QString buildinfo()
 238 {
 239         QString res;
 240         QTextStream out(&res);
 241         out << "LyX " << lyx_version
 242                 << " (" << lyx_release_date << ")" << endl;
 243         if (std::string(lyx_git_commit_hash) != "none")
 244                 out << qt_("  Git commit hash ")
 245                     << QString(lyx_git_commit_hash).left(8) << endl;
 246
 247         out << lyx_version_info << endl;
 248         return res;
 249 }
 250
 251
 252 struct GuiAbout::Private
 253 {
 254         Ui::AboutUi ui;
 255 };
 256
 257
 258 GuiAbout::GuiAbout(GuiView & lv)
 259         : DialogView(lv, "aboutlyx", qt_("About LyX")),
 260         d(new GuiAbout::Private)
 261 {
 262         d->ui.setupUi(this);
 263
 264         d->ui.copyrightTB->setPlainText(copyright());
 265         d->ui.copyrightTB->append(QString());
 266         d->ui.copyrightTB->append(license());
 267         d->ui.copyrightTB->append(QString());
 268         d->ui.copyrightTB->append(disclaimer());
 269
 270         d->ui.versionLA->setText(version());
 271         d->ui.buildinfoTB->setText(buildinfo());
 272         d->ui.releasenotesTB->setHtml(release_notes());
 273         d->ui.releasenotesTB->setOpenExternalLinks(true);
 274         d->ui.creditsTB->setHtml(credits());
 275
 276         d->ui.tab->setUsesScrollButtons(false);
 277 }
 278
 279
 280 void GuiAbout::on_closePB_clicked()
 281 {
 282         close();
 283 }
 284
 285
 286 Dialog * createGuiAbout(GuiView & lv) { return new GuiAbout(lv); }
 287
 288
 289 } // namespace frontend
 290 } // namespace lyx
 291
 292 #include "moc_GuiAbout.cpp"