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Is it possible to set a background image to a widget?

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  • K Offline
    K Offline
    kamalakshantv
    wrote on last edited by
    #8

    I am applying the below style using Qt Designer on the root widget

    QWidget {background-image: url(./image.png) }

    Now in this case all the child widgets also have the same image as background image. How to modify the above to have it only configured as a background image to the root widget.

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    • L Offline
      L Offline
      Lord
      wrote on last edited by
      #9

      Give name to your widget by setObjectname().

      eg:
      @
      QPushButton *okButton = new QPushButton;
      okButton->setObjectname(QObject::tr(okButton));
      @
      in stylesheet,
      @
      QPushButton#okButton
      {
      color: gray
      }
      @
      now only okButton will be gray.

      Same thing is applicable in your case. Hope it helps!

      [edit: Code highlighting / Denis Kormalev]

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      • K Offline
        K Offline
        kamalakshantv
        wrote on last edited by
        #10

        Thanks Rahul

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        • M Offline
          M Offline
          mario
          wrote on last edited by
          #11

          Please also check out the docs for style sheets at:
          "http://doc.qt.nokia.com/4.7/stylesheet.html":http://doc.qt.nokia.com/4.7/stylesheet.html

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          • H Offline
            H Offline
            houmingc
            wrote on last edited by
            #12
            MainWindow w;
            w.setStyleSheet("background-image:url(./file/left.png)");
            w.show();
            

            I did setStyleSheet on MainWindow, it doesn't seem to work

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            • F Offline
              F Offline
              Francknos
              wrote on last edited by
              #13

              MainWindow w; w.setStyleSheet(“background-image:url(:/file/left.png)”); w.show();
              WITH ::::::: and if you have a ui file. put setStyleSheet after ui->setupUI(this);

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              • H Offline
                H Offline
                houmingc
                wrote on last edited by
                #14

                i have left.png and right.png in my resource folder under /file
                which is the correct command?

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                • H Offline
                  H Offline
                  houmingc
                  wrote on last edited by
                  #15

                  @
                  Error:Could not parse stylesheet of object 0xbfdb6220
                  ui->setupUi(this);
                  setStyleSheet("background-image:url(:/left.png;"
                  "background-repeat:no-repeat;");
                  @

                  [edit: added missing coding tags @ SGaist]

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                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #16

                    Your style sheet code is wrong, you are missing a closing parenthesis.

                    Interested in AI ? www.idiap.ch
                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                    • H Offline
                      H Offline
                      houmingc
                      wrote on last edited by
                      #17

                      I think the link below can solve the problem but i can't access my jpg in resources file.

                      palette->setBrush(QPalette::Background,(new QBrush((new QPixmap(":/1.jpg")))));

                      http://www.codeprogress.com/cpp/libraries/qt/showQtExample.php?index=143&key=QMainWindowSetBackgroundImage

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