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Qt5 How display a QML file

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  • M Offline
    M Offline
    MIMIL38
    wrote on last edited by
    #1

    I've started a QML project, but I don't know how to display it into a window.
    I know, I can use qmlview.exe, but I think there is another way to do it with Qt Creator, is'nt it ?
    Please assist me ! In the meantime, I continue my search !

    MIMIL38

    Sorry for my bad English, I'm French !
    Qt, it's cute !

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    0
    • C Offline
      C Offline
      chrisadams
      wrote on last edited by
      #2

      You can either use qmlscene as described "here":http://doc-snapshot.qt-project.org/5.0/qtquick/qtquick-quickstart-basics.html#loading-and-displaying-the-qml-document or you can define your own C++ entrypoint with a QQuickView as described "here":http://doc-snapshot.qt-project.org/5.0/qtquick/qquickview.html

      Cheers,
      Chris.

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      • M Offline
        M Offline
        MIMIL38
        wrote on last edited by
        #3

        Thank you very much for the links,
        But I've a problem : This code displays a little and empty window.
        @
        #include <QtQuick/QtQuick>
        #include <QGuiApplication>

        int main (int argc, char *argv[])
        {
        QGuiApplication app(argc, argv);

        QQuickView view(QUrl::fromLocalFile&#40;"app.qml"&#41;);
        view.show();
        return app.exec();
        

        }@
        The content of app.qml is :

        import QtQuick 1.1
        import QtWebKit 3.0

        Rectangle {
        width: 360
        height: 360

        WebView {
                id: webview
                x: 0
                y: 0
                url: "http://qt-project.org"
                width: parent.width
                height: parent.height
        }
                TextInput {
                    id: text_input1
                    x: 32
                    y: 29
                    width: 278
                    height: 20
                    color: red
                    text: qsTr("url")
                    font.pixelSize: 12
                    onTextChanged: {
                        webview.url = text;
                    }
                }
        

        }
        I think there is a problem. But I don't know where it is. (Maybe it's between the keyboard and the chair)

        I've an other problem : what is the include's path for QWebView (in C++) because I've download Qt 5.0.0 yesterday and I'd like to use a project created with Qt 4.7 with Qt 5.0.0.
        In the documentation, it was written this :
        #include <QWebView>
        (Like in Qt 4.7)
        But it's not working with me.

        Sorry for my bad English, I'm French !
        Qt, it's cute !

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        0
        • shavS Offline
          shavS Offline
          shav
          wrote on last edited by
          #4

          Hi,

          Can you checking this example:
          @
          import QtQuick 2.0
          import QtWebKit 3.0

          Rectangle {
          width: 360
          height: 360

          TextInput {
              id: address
              anchors.top: parent.top
              width: parent.width
              height: 20
          
              selectByMouse: true
              text:"http://google.com"
          
              onAccepted: {
                  console.log(address.text);
                  container.url = address.text;
              }
          }
          
          WebView {
              id: container
              anchors.bottom: parent.bottom
              width: parent.width
              height: parent.height - address.height
          }
          

          }
          @

          It's works for Qt 5.0 and QML 2.0. For apply the new url you must pressed Enter key.

          I hope this help you!

          Mac OS and iOS Developer

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          • M Offline
            M Offline
            MIMIL38
            wrote on last edited by
            #5

            Thank you very much !
            Now I know what was the problem : I used QtQuick 1.1. When I use QtQuick 2.0, it's working. But when I try to see app.qml into Qt Designer, there is a error : unsupported QtQuick version. That's why I used QtQuick 1.1...
            And does anyone know what is the include's path of QWebView in Qt 5.0 ?
            I have another question : is it true that the QtWebKit2 is just available with the QML ? It seems to me that this is what I read in the documentation...

            Sorry for my bad English, I'm French !
            Qt, it's cute !

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            0
            • shavS Offline
              shavS Offline
              shav
              wrote on last edited by
              #6

              I don’t use Designer in my projects. But I checked it and get this issue. Also I found this "link":http://www.qtcentre.org/threads/52503-Qt-Creator-2-6-1-on-OSX-10-8-2-and-QML.

              But I do not known How to fix it :-(.

              Maybe this is "answer":http://www.qtcentre.org/threads/52569-QtQuick-2-0-doesn-t-work-on-OSX-Mountain-Lion-10-8-2?p=235388#post235388.

              Mac OS and iOS Developer

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              • M Offline
                M Offline
                MIMIL38
                wrote on last edited by
                #7

                Thank you !
                I think Qt Designer is not ready to display QML files (maybe in a future release...).
                It would be nice if you have answers for the two others question ! I continue my search, but I don't find anything...

                Sorry for my bad English, I'm French !
                Qt, it's cute !

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                0
                • shavS Offline
                  shavS Offline
                  shav
                  wrote on last edited by
                  #8

                  [quote author="MIMIL38" date="1357488386"]
                  It would be nice if you have answers for the two others question[/quote]

                  What question do you mean?

                  Mac OS and iOS Developer

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                  • M Offline
                    M Offline
                    MIMIL38
                    wrote on last edited by
                    #9

                    bq. And does anyone know what is the include’s path of QWebView in Qt 5.0 ?
                    I have another question : is it true that the QtWebKit2 is just available with the QML ? It seems to me that this is what I read in the documentation…
                    Thank very much for all your replies !

                    Sorry for my bad English, I'm French !
                    Qt, it's cute !

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                    0
                    • shavS Offline
                      shavS Offline
                      shav
                      wrote on last edited by
                      #10

                      [quote author="MIMIL38" date="1357465297"]
                      And does anyone know what is the include's path of QWebView in Qt 5.0 ?[/quote]

                      If you need use WebKit in C++ code you may use this:
                      @
                      #include <QtWebKit/QtWebKit> //For WebKit
                      #include <QtWebkitWidgets/QtWebKitWidgets> //For QWebView and others widgets for showing HTML
                      @

                      Also you must enabled two modules in your .pro file.
                      @
                      QT += webkit webkitwidgents
                      @

                      [quote author="MIMIL38" date="1357465297"]I have another question : is it true that the QtWebKit2 is just available with the QML ?[/quote]
                      No, you may use QtWebKit in Widget-based applications. See my first answer.

                      Mac OS and iOS Developer

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                      • M Offline
                        M Offline
                        MIMIL38
                        wrote on last edited by
                        #11

                        Now, whan I cmpile the modified code, I have 624 errors like that : main.obj:-1: erreur : LNK2019: symbole externe non résolu "__declspec(dllimport) public: virtual __thiscall QApplication::~QApplication(void)" (_imp??1QApplication@@UAE@XZ) référencé dans la fonction _main in english, I would give it : main.obj:-1: error : LNK2019: unresolved extern symbol "__declspec(dllimport) public: virtual __thiscall QApplication::~QApplication(void)" (_imp??1QApplication@@UAE@XZ) referencedin the function _main
                        If you know what it is, please tell me the solution !

                        Sorry for my bad English, I'm French !
                        Qt, it's cute !

                        1 Reply Last reply
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