Mercurial > octave
view libgui/src/release-notes.cc @ 31649:deb553ac2c54
maint: Merge stable to default.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 06 Dec 2022 15:45:27 -0500 |
parents | 431f80aba37a 29d734430e5f |
children | 5f11de0e7440 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2011-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave 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 3 of the License, or // (at your option) any later version. // // Octave 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <QApplication> #include <QFile> #include <QIcon> #include <QLayout> #include <QScreen> #include <QTextBrowser> #include <QTextStream> #include <QThread> #include "release-notes.h" #include "gui-utils.h" #include "gui-preferences-dw.h" #include "gui-preferences-nr.h" #include "gui-settings.h" #include "news-reader.h" #include "defaults.h" OCTAVE_BEGIN_NAMESPACE(octave) release_notes::release_notes (void) : QWidget (nullptr), m_browser (nullptr) { gui_settings settings; // The icon QString icon_set = settings.value (dw_icon_set).toString (); if (icon_set != "NONE") m_release_notes_icon = dw_icon_set_names[icon_set] + "ReleaseWidget.png"; else m_release_notes_icon = dw_icon_set_names[icon_set]; std::string news_file = config::oct_etc_dir () + "/NEWS"; QString news; QFile *file = new QFile (QString::fromStdString (news_file)); if (file->open (QFile::ReadOnly)) { QTextStream *stream = new QTextStream (file); news = stream->readAll (); if (! news.isEmpty ()) { // Convert '<', '>' which would be interpreted as HTML news.replace ("<", "<"); news.replace (">", ">"); // Add HTML tags for pre-formatted text news.prepend ("<pre>"); news.append ("</pre>"); } else news = (tr ("The release notes file '%1' is empty.") . arg (QString::fromStdString (news_file))); } else news = (tr ("The release notes file '%1' cannot be read.") . arg (QString::fromStdString (news_file))); m_browser = new QTextBrowser (this); m_browser->setText (news); QVBoxLayout *vlayout = new QVBoxLayout; vlayout->addWidget (m_browser); setLayout (vlayout); setWindowTitle (tr ("Octave Release Notes")); m_browser->document ()->adjustSize (); int win_x, win_y; get_screen_geometry (win_x, win_y); resize (win_x*2/5, win_y*2/3); move (20, 20); // move to the top left corner } void release_notes::display (void) { if (! isVisible ()) show (); else if (isMinimized ()) showNormal (); setWindowIcon (QIcon (m_release_notes_icon)); raise (); activateWindow (); } OCTAVE_END_NAMESPACE(octave)