optionsWidget.hh 3.5 KB
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//=============================================================================
//
//                               OpenFlipper
//        Copyright (C) 2008 by Computer Graphics Group, RWTH Aachen
//                           www.openflipper.org
//
//-----------------------------------------------------------------------------
//
//                                License
//
//  OpenFlipper is free software: you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
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//
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//  OpenFlipper 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 Lesser General Public License for more details.
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//
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//  You should have received a copy of the GNU Lesser General Public License
//  along with OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
//
//-----------------------------------------------------------------------------
//
//   $Revision: 1909 $
//   $Author: wilden $
//   $Date: 2008-06-03 18:45:21 +0200 (Tue, 03 Jun 2008) $
//
//=============================================================================




#ifndef OPTIONSWIDGET_HH
#define OPTIONSWIDGET_HH

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#include <ui_optionsWidget.hh>
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#include <QtGui>
#include <QStringList>
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#include <QtNetwork>
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#include <OpenFlipper/Core/PluginInfo.hh>

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class OptionsWidget : public QWidget, public Ui::OptionsWidget
{
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  Q_OBJECT
  public:
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    OptionsWidget(std::vector<PluginInfo>& _plugins, std::vector<KeyBinding>& _core, QWidget *parent = 0 );
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  signals:
    void applyOptions();
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    void saveOptions();
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  private slots:
    /// Hide widget, Update Options and tell others about changed Options
    void slotApply();

    /// Only hide widget
    void slotCancel();

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    /// Checks for updates
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    void slotCheckUpdates();

    /// Download updates
    void slotGetUpdates();
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  protected:
    void showEvent ( QShowEvent * event );
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  private:
    //key-bindings
    std::vector<PluginInfo>& plugins_;
    std::vector<KeyBinding>& coreKeys_;
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    // flag indicating if something went wrong and the request has to be aborted
    bool httpRequestAborted;

    // Id of the current request
    int httpGetId;

    // Request variable
    QHttp *http;

    // File for http downloads
    QFile *file;

    // ProgressDialog for Downloads
    QProgressDialog *progressDialog;

    // What type of download is currently active
    enum DOWNLOAD {
      NONE,
      VERSIONS_FILE,
      WINDOWS_SETUP
    } downloadType;

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  private:
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    /// Starts the download of the given file
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    void startDownload( QString _url );

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    /// Compares the versions from the downloaded Versions file with the current versions
    void compareVersions();

    /// Compares two version strings and returns if a newer Version is available
    bool isNewer(QString _current, QString _latest);

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    /// Redraws the version table
    void updateVersionsTable();

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  private slots:

    // This slot is called when a http request has been finished
    void httpRequestFinished(int requestId, bool error);

    // Parses the response and gives feedback
    void readResponseHeader(const QHttpResponseHeader &responseHeader);

    // Updates the progress Dialog while downloading
    void updateDataReadProgress(int bytesRead, int totalBytes);

    // Progress dialog callback for cancel
    void cancelDownload();

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};

#endif //OPTIONSWIDGET_HH