"Fossies" - the Fresh Open Source Software Archive

Member "cb2bib-2.0.1/src/c2b.cpp" (12 Feb 2021, 4443 Bytes) of package /linux/privat/cb2bib-2.0.1.tar.gz:

As a special service "Fossies" has tried to format the requested source page into HTML format using (guessed) C and C++ source code syntax highlighting (style: standard) with prefixed line numbers and code folding option. Alternatively you can here view or download the uninterpreted source code file. For more information about "c2b.cpp" see the Fossies "Dox" file reference documentation and the latest Fossies "Diffs" side-by-side code changes report: 2.0.0_vs_2.0.1.

    1 /***************************************************************************
    2  *   Copyright (C) 2004-2021 by Pere Constans
    3  *   constans@molspaces.com
    4  *   cb2Bib version 2.0.1. Licensed under the GNU GPL version 3.
    5  *   See the LICENSE file that comes with this distribution.
    6  ***************************************************************************/
    7 #include "c2b.h"
    8 
    9 #include "c2bClipboard.h"
   10 #include "c2bConfigure.h"
   11 #include "dialog.h"
   12 #include "ui_proxyDialog.h"
   13 
   14 #include <QAuthenticator>
   15 #include <QMessageBox>
   16 #include <QNetworkProxy>
   17 #include <QProgressDialog>
   18 
   19 
   20 /**
   21     Global resources for cb2Bib
   22 */
   23 c2b::c2b(QWidget* main, QObject* parento) : QObject(parento)
   24 {
   25     Q_ASSERT_X(!_c2b_single_instance, "c2b", "cb2Bib resources already instantiated");
   26     c2b::_c2b_single_instance = this;
   27     _c2b_main = main;
   28 
   29     if (_c2b_main->inherits("cb2Bib"))
   30     {
   31         // Create bibliographic parser
   32         _c2b_bibparser = new c2bBibParser(this);
   33 
   34         // Create cb2Bib network
   35         _c2b_network = new network(this);
   36         connect(_c2b_network, SIGNAL(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)), this,
   37                 SLOT(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)));
   38         connect(_c2b_network, SIGNAL(downloadProgress(qint64,qint64)), this,
   39                 SLOT(updateDownloadProgress(qint64,qint64)));
   40         _download_progress = new QProgressDialog(_c2b_main, dialog::flags);
   41         _download_progress->setWindowTitle("Downloading...");
   42         _download_progress->reset();
   43         connect(_download_progress, SIGNAL(canceled()), _c2b_network, SLOT(cancelDownload()));
   44 
   45         // Create cb2Bib network query info
   46         _c2b_netqinf = new c2bNetworkQueryInfo(this);
   47 
   48         // Create cb2Bib metadata parser
   49         _c2b_metadataparser = new metadataParser(_c2b_bibparser, this);
   50         connect(_c2b_metadataparser, SIGNAL(showMessage(QString,QString)), this, SLOT(showMessage(QString,QString)));
   51 
   52         // Create cb2Bib clipboard
   53         _c2b_clipboard = new c2bClipboard(this);
   54         _c2b_clipboard->setConnected(true);
   55     }
   56     else if (_c2b_main->inherits("c2bAnnote"))
   57     {
   58         // Nothing is needed at present for the c2bAnnote
   59     }
   60     else
   61         Q_ASSERT_X(false, "c2b", "unknown required resources for main");
   62 }
   63 
   64 c2b::~c2b()
   65 {
   66     _c2b_single_instance = 0;
   67 }
   68 
   69 
   70 c2b* c2b::_c2b_single_instance = 0;
   71 
   72 
   73 void c2b::showMessage(const QString& title, const QString& ms)
   74 {
   75     QMessageBox::warning(_c2b_main, title, ms, QMessageBox::Ok);
   76 }
   77 
   78 void c2b::configure(int index)
   79 {
   80     c2bConfigure* c = new c2bConfigure();
   81     if (index > -1)
   82         c->setPage(index);
   83     if (c->exec() == QDialog::Accepted)
   84         showMessage(tr("Configuration was saved."));
   85     else
   86         showMessage(tr("Configuration was cancelled."));
   87     delete c;
   88 }
   89 
   90 void c2b::exitRequested()
   91 {
   92     foreach (QWidget* w, QApplication::topLevelWidgets())
   93     {
   94         // So far only editors grant user exit cancellation
   95         // Avoid closing other visible widgets until exit is granted
   96         if (w->isVisible())
   97             if (w->inherits("c2bEditor"))
   98                 w->close();
   99     }
  100     qApp->processEvents();
  101     foreach (QWidget* widget, QApplication::topLevelWidgets())
  102     {
  103         if (widget->isVisible())
  104             if (widget->inherits("c2bEditor"))
  105                 return;
  106     }
  107     qApp->closeAllWindows();
  108     qApp->processEvents();
  109     if (!qApp->quitOnLastWindowClosed())
  110         qApp->quit();
  111 }
  112 
  113 void c2b::updateDownloadProgress(qint64 bytesReceived, qint64 bytesTotal)
  114 {
  115     if (bytesTotal < 50000)
  116         return;
  117     if (bytesReceived == bytesTotal)
  118     {
  119         _download_progress->reset();
  120         return;
  121     }
  122     _download_progress->setLabelText(tr("Retrieving from %1...").arg(QUrl(_c2b_network->sourceFilename()).host()));
  123     _download_progress->setMaximum((int)bytesTotal);
  124     _download_progress->setValue((int)bytesReceived);
  125 }
  126 
  127 void c2b::proxyAuthenticationRequired(const QNetworkProxy& proxy, QAuthenticator* auth)
  128 {
  129     QDialog dialog(_c2b_main, dialog::flags);
  130     Ui::proxyDialog proxyDialog;
  131     proxyDialog.setupUi(&dialog);
  132     dialog.setWindowTitle(tr("Proxy %1 Authentication - cb2Bib").arg(proxy.hostName()));
  133     if (dialog.exec() == QDialog::Accepted)
  134     {
  135         auth->setUser(proxyDialog.userNameLineEdit->text());
  136         auth->setPassword(proxyDialog.passwordLineEdit->text());
  137     }
  138     else
  139         _c2b_network->cancelDownload();
  140 }