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QtWebEngine

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  • elicatE Offline
    elicatE Offline
    elicat
    wrote on last edited by
    #7

    OK, Now I have install on Ubuntu System 32bit Qt Creator and QtWebEngine is recognized. But wen buil the program I have error in :

    QtWebEngine::initialize();
    

    I must install other component in Linux for build with QT and yours QtWebEngine?

    Saluti, Gianfranco Elicat

    1 Reply Last reply
    0
    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #8

      What exact errors are you getting ?

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

      elicatE 1 Reply Last reply
      0
      • SGaistS SGaist

        What exact errors are you getting ?

        elicatE Offline
        elicatE Offline
        elicat
        wrote on last edited by
        #9

        @SGaist Good Morning,
        the cod of main is this :

        #include <QCoreApplication>
        #include <QtGui/QApplicationStateChangeEvent>
        #include <QtQml/QQmlApplicationEngine>
        #include <QtWebEngine/qtwebengineglobal.h>
        #include <WebClass.h>
        #include <QtWebChannel/QQmlWebChannel>
        #include <QtWebChannel/qwebchannel.h>
        #include <QtWebEngineWidgets/QtWebEngineWidgets>
        
        int main(int argc, char *argv[])
        {
            QCoreApplication app(argc, argv);
        
        	QtWebEngine::initialize();
        
        	QQmlApplicationEngine engine;
        	engine.load(QUrl(QStringLiteral("main.qml")));
        	return app.exec();
        }
        

        Erros when build :

        /home/gianfranco/Public/QtApplication/QtWebApplicationUbuntu/main.cpp:17: error: undefined reference to `QtWebEngine::initialize()'
        

        I do not understand where the cause is.
        The statements are recognized

        Saluti, Gianfranco Elicat

        raven-worxR 1 Reply Last reply
        0
        • elicatE elicat

          @SGaist Good Morning,
          the cod of main is this :

          #include <QCoreApplication>
          #include <QtGui/QApplicationStateChangeEvent>
          #include <QtQml/QQmlApplicationEngine>
          #include <QtWebEngine/qtwebengineglobal.h>
          #include <WebClass.h>
          #include <QtWebChannel/QQmlWebChannel>
          #include <QtWebChannel/qwebchannel.h>
          #include <QtWebEngineWidgets/QtWebEngineWidgets>
          
          int main(int argc, char *argv[])
          {
              QCoreApplication app(argc, argv);
          
          	QtWebEngine::initialize();
          
          	QQmlApplicationEngine engine;
          	engine.load(QUrl(QStringLiteral("main.qml")));
          	return app.exec();
          }
          

          Erros when build :

          /home/gianfranco/Public/QtApplication/QtWebApplicationUbuntu/main.cpp:17: error: undefined reference to `QtWebEngine::initialize()'
          

          I do not understand where the cause is.
          The statements are recognized

          raven-worxR Offline
          raven-worxR Offline
          raven-worx
          Moderators
          wrote on last edited by raven-worx
          #10
          This post is deleted!
          1 Reply Last reply
          0
          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #11

            Maybe a silly question but did you add QT += webengine to you .pro file ?

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

            elicatE 1 Reply Last reply
            0
            • SGaistS SGaist

              Maybe a silly question but did you add QT += webengine to you .pro file ?

              elicatE Offline
              elicatE Offline
              elicat
              wrote on last edited by elicat
              #12

              @SGaist Arghh.. you tell me correct.. -I am again beginner, now, when i buil i have this problem.
              what is still missing?

              /usr/bin/ld: cannot find -lGL
              
              

              Saluti, Gianfranco Elicat

              JonBJ 1 Reply Last reply
              0
              • elicatE elicat

                @SGaist Arghh.. you tell me correct.. -I am again beginner, now, when i buil i have this problem.
                what is still missing?

                /usr/bin/ld: cannot find -lGL
                
                
                JonBJ Online
                JonBJ Online
                JonB
                wrote on last edited by JonB
                #13

                @elicat
                Use the Search icon at the top of this page to search this forum for lGL (note not for -lGL). You will find lots of this specific question and its solutions.

                elicatE 1 Reply Last reply
                0
                • JonBJ JonB

                  @elicat
                  Use the Search icon at the top of this page to search this forum for lGL (note not for -lGL). You will find lots of this specific question and its solutions.

                  elicatE Offline
                  elicatE Offline
                  elicat
                  wrote on last edited by
                  #14

                  @JonB ok thanks

                  Saluti, Gianfranco Elicat

                  elicatE 1 Reply Last reply
                  0
                  • elicatE elicat

                    @JonB ok thanks

                    elicatE Offline
                    elicatE Offline
                    elicat
                    wrote on last edited by
                    #15

                    @elicat all is perfect, now it build without errors, but… UFF… but when i run the program it crashed. I lunch with debug and i have this error. The same project run in x64bit with 5.9.4.

                    0_1529398559134_ubuntu_test-complie.png

                    Saluti, Gianfranco Elicat

                    1 Reply Last reply
                    0
                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote on last edited by SGaist
                      #16

                      Hi,

                      Why are you using a QCoreApplication ?

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

                      elicatE 1 Reply Last reply
                      0
                      • SGaistS SGaist

                        Hi,

                        Why are you using a QCoreApplication ?

                        elicatE Offline
                        elicatE Offline
                        elicat
                        wrote on last edited by
                        #17

                        @SGaist Ok, I'm stupid. sorry. thank you all

                        Saluti, Gianfranco Elicat

                        1 Reply Last reply
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