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Restoring previous session of an application

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  • G Offline
    G Offline
    giesbert
    wrote on last edited by
    #26

    Hi imrrk,

    one suggestion:

    look at the docs of QColor and QSettings.
    Then you should find it.

    Regards

    Gerolf

    Nokia Certified Qt Specialist.
    Programming Is Like Sex: One mistake and you have to support it for the rest of your life. (Michael Sinz)

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    • I Offline
      I Offline
      imrrk
      wrote on last edited by
      #27

      hello Volker,I am sorry,I didnt get your meaning..

      Hello gerolf, from yesterday i am reading the docs..
      this has been given

      @QSettings settings("MySoft", "Star Runner");
      QColor color = palette().background().color();
      settings.setValue("DataPump/bgcolor", color);@
      //here i didnt understand "DataPump/bgcolor"..

      regards
      imrrk

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      • I Offline
        I Offline
        imrrk
        wrote on last edited by
        #28

        Hello Volker and gerolf,
        whether it should be done this way..

        QColor r(settings.value(“color”).toString(),ui->pushbutton->setcolor(r));

        regards
        imrrk

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        • V Offline
          V Offline
          vinb
          wrote on last edited by
          #29

          Hi imrrk,
          You get a lot of help here, so please dont email me for something like this.

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          0
          • I Offline
            I Offline
            imrrk
            wrote on last edited by
            #30

            ok ,Whether I am heading the correct way..?

            regards
            imrrk

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            • Z Offline
              Z Offline
              ZapB
              wrote on last edited by
              #31

              immrk, is all this work for a school assignment or an actual job?

              Nokia Certified Qt Specialist
              Interested in hearing about Qt related work

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              • G Offline
                G Offline
                goetz
                wrote on last edited by
                #32

                [quote author="imrrk" date="1306333461"]ok ,Whether I am heading the correct way..?
                [/quote]

                no.

                http://www.catb.org/~esr/faqs/smart-questions.html

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                • I Offline
                  I Offline
                  imrrk
                  wrote on last edited by
                  #33

                  hello Volker,Can u give me some hints then..

                  regards
                  imrrk

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                  • G Offline
                    G Offline
                    goetz
                    wrote on last edited by
                    #34

                    [quote author="imrrk" date="1306387710"]hello Volker,Can u give me some hints then..[/quote]

                    To quote myself:

                    [quote author="Volker" date="1306322983"]I personally would do something with the color read from the settings....[/quote]

                    Oh, and that debugger thingie likes breakpoints, you know...

                    I would be alarmed if it did not stop at a certain point....

                    http://www.catb.org/~esr/faqs/smart-questions.html

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                    • I Offline
                      I Offline
                      imrrk
                      wrote on last edited by
                      #35

                      hello volker problem solved..now i m able to set colors..and save it in .ini file

                      @void MainWindow::writeSettings()
                      {
                      QSettings settings;//("company name", "project");

                      settings.beginGroup("pushbutton");
                      settings.setValue("size", size());
                      settings.setValue("pos", pos());
                      settings.setValue("mytext",ui->pushButton->styleSheet());
                      settings.setValue("mytext1",ui->pushButton_2->styleSheet());
                      settings.setValue("mytext2",ui->pushButton_3->styleSheet());
                      //QColor r("red");
                      //r.name();

                      //settings.setValue("color",r.name());

                      settings.setValue("state", saveState());
                      qDebug()<<r.name();
                      settings.endGroup();
                      }

                      void MainWindow::readSettings()
                      {
                      QSettings settings;//("Plackal", "restoreproject");

                      settings.beginGroup("pushbutton");
                      resize(settings.value("size", QSize(400, 400)).toSize());
                      move(settings.value("pos", QPoint(200, 200)).toPoint());
                      a=settings.value("mytext").toString();
                      b=settings.value("mytext1").toString();
                      c=settings.value("mytext2").toString();
                      //ui->pushButton->setText(a);
                      //QColor r=settings.value("color").toString();
                      ui->pushButton->setStyleSheet(a);
                      ui->pushButton_2->setStyleSheet(b);
                      ui->pushButton_3->setStyleSheet(c);
                      //ui->pushButton->autoFillBackground(r);
                      QByteArray state = settings.value("state", QByteArray()).toByteArray();
                      restoreState(state);
                      //resize(size);
                      //move(pos);
                      qDebug("set");
                      settings.endGroup();

                      }@

                      regards
                      imrrk

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                      • L Offline
                        L Offline
                        leon.anavi
                        wrote on last edited by
                        #36

                        Hi All,

                        Although this thread is generating too much spam I think the topic about QSettings is interesting. I was unable to find a simple QSettings example here in our wiki nor in Forum Nokia so I decided to create a new article:
                        "How to Use QSettings":http://developer.qt.nokia.com/wiki/How_to_Use_QSettings I have tested the example on my Nokia E7 and I will improve the article in the coming days :)

                        Best regards,
                        Leon

                        P.S.

                        Please note that the example contains very basic GUI without any layouts. My idea was just to focus on the basic usage of QSettings.

                        http://anavi.org/

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                        • G Offline
                          G Offline
                          goetz
                          wrote on last edited by
                          #37

                          I found the API docs on "QSettings":http://doc.qt.nokia.com/4.7/qsettings.html with the example snippets to be sufficient.

                          http://www.catb.org/~esr/faqs/smart-questions.html

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                          • I Offline
                            I Offline
                            imrrk
                            wrote on last edited by
                            #38

                            Thanks Leon for you support..:)

                            Regards
                            imrrk

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                            0
                            • L Offline
                              L Offline
                              leon.anavi
                              wrote on last edited by
                              #39

                              [quote author="Volker" date="1306406061"]I found the API docs on "QSettings":http://doc.qt.nokia.com/4.7/qsettings.html with the example snippets to be sufficient.[/quote]

                              Please excuse me if you find the article useless. Qt documentation is very good and there are examples for almost everything but I think it is always good to have another example application at Qt Dev Net wiki.

                              10x,
                              Leon

                              http://anavi.org/

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                              • G Offline
                                G Offline
                                goetz
                                wrote on last edited by
                                #40

                                Oh, no insult intended. Every wiki article with a working snippet adds value to DevNet, IMHO.

                                http://www.catb.org/~esr/faqs/smart-questions.html

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                                • G Offline
                                  G Offline
                                  giesbert
                                  wrote on last edited by
                                  #41

                                  Hi,

                                  QSettings is used indirectly in the examples of Qt docs, e.g. in "Main Window examples":http://doc.qt.nokia.com/4.7/mainwindows-application.html for storing application settings:

                                  [quote]
                                  @
                                  void MainWindow::readSettings()
                                  {
                                  QSettings settings("Trolltech", "Application Example");
                                  QPoint pos = settings.value("pos", QPoint(200, 200)).toPoint();
                                  QSize size = settings.value("size", QSize(400, 400)).toSize();
                                  resize(size);
                                  move(pos);
                                  }

                                  void MainWindow::writeSettings()
                                  {
                                  QSettings settings("Trolltech", "Application Example");
                                  settings.setValue("pos", pos());
                                  settings.setValue("size", size());
                                  }
                                  @
                                  [/quote]

                                  Nokia Certified Qt Specialist.
                                  Programming Is Like Sex: One mistake and you have to support it for the rest of your life. (Michael Sinz)

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