File indexing completed on 2024-06-23 05:20:55

 /* Copyright (C) 2006 - 2011 Thomas Gahr <thomas.gahr@physik.uni-muenchen.de>
    Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
 
    This file is part of the Trojita Qt IMAP e-mail client,
    http://trojita.flaska.net/
 
    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) version 3 or any later version
    accepted by the membership of KDE e.V. (or its successor approved
    by the membership of KDE e.V.), which shall act as a proxy
    defined in Section 14 of version 3 of the license.
 
    This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 
 #include <QApplication>
 #include <QBuffer>
 #include <QCheckBox>
 #include <QDir>
 #include <QDropEvent>
 #include <QFontDatabase>
 #include <QGridLayout>
 #include <QIcon>
 #include <QMimeData>
 #include <QProcess>
 #include <QSettings>
 
 #include "configure.cmake.h"
 #include <Imap/Model/DragAndDrop.h>
 #include "Util.h"
 #include "Window.h"
 
 namespace {
 
 void messageBoxImpl(QWidget *parent, const QString &title, const QString &message, const QMessageBox::Icon icon)
 {
     Q_ASSERT(parent);
     auto box = new QMessageBox(icon, title, message, QMessageBox::Ok, parent);
     box->open();
 }
 
 }
 
 namespace Gui {
 
 namespace Util {
 
 /** @short Path to the "package data directory"
 
 This path shall contain various files (like the localization data).  In case we're running without being installed
 (or on some funny^Hnon-X11 platform), this function returns an empty QString.  Please also note that the returned
 value might contain data for a completely different version of Trojita.
 */
 QString pkgDataDir()
 {
 #ifdef PKGDATADIR
     return QStringLiteral(PKGDATADIR);
 #else
     return QString();
 #endif
 }
 
 /** @short Ask for something and provide a facility to not ask again
 
 Check settings whether an option is already set to ignore this question. If not, ask the user and remember whether
 she wants to be asked again.
 */
 int askForSomethingUnlessTold(const QString &title, const QString &message, const QString &settingsName,
                               QMessageBox::StandardButtons buttons, QWidget *parent, QSettings *settings)
 {
     int saved = settings->value(settingsName, -1).toInt();
     if (saved != -1) {
         // This means that we're not supposed to ask again
         return saved;
     }
 
     QMessageBox box(QMessageBox::Question, title, message, QMessageBox::NoButton, parent);
     box.setStandardButtons(buttons);
     QCheckBox *checkbox = new QCheckBox(Gui::MainWindow::tr("Don't ask again"), &box);
     QGridLayout *layout = qobject_cast<QGridLayout*>(box.layout());
     Q_ASSERT(layout);
     layout->addWidget(checkbox, 1, 1);
     int res = box.exec();
     if (checkbox->isChecked())
         settings->setValue(settingsName, res);
     return res;
 }
 
 /** @short Return image data from the specified filename as a self-contained URL of the data: scheme
 
 The image is resized and always returned in the PNG format.
 */
 QString resizedImageAsDataUrl(const QString &fileName, const int extent)
 {
     QByteArray bdata;
     QBuffer buf(&bdata);
     buf.open(QIODevice::WriteOnly);
     QIcon(fileName).pixmap(extent).toImage().save(&buf, "png");
     return QLatin1String("data:image/png;base64,") + QString::fromUtf8(bdata.toBase64());
 }
 
 /** @short QMessageBox::critical, but without reentering the event loop */
 void messageBoxCritical(QWidget *parent, const QString &title, const QString &message)
 {
     messageBoxImpl(parent, title, message, QMessageBox::Critical);
 }
 
 /** @short QMessageBox::warning, but without reentering the event loop */
 void messageBoxWarning(QWidget *parent, const QString &title, const QString &message)
 {
     messageBoxImpl(parent, title, message, QMessageBox::Warning);
 }
 
 /** @short Checks whether the data of a drop event is from another IMAP account, and is therefore not supported. */
 bool isFromDistinctImapAccount(QDropEvent* de)
 {
     if ((de->mimeData()->hasFormat(Imap::MimeTypes::xTrojitaImapPart) || de->mimeData()->hasFormat(Imap::MimeTypes::xTrojitaMessageList)) && !de->source()) {
         return true;
     }
     return false;
 }
 
 QString cssWarningBorder()
 {
     static QString border = QStringLiteral("border: 2px solid red; background-color: #E7C575; color: black; padding: 5px; margin: 5px; text-align: center;");
     return border;
 }
 
 } // namespace Util
 
 } // namespace Gui