[Interest] Fw: qml <--> c++
Nicolas Jäger
jagernicolas at legtux.org
Wed Mar 2 04:51:06 CET 2016
Hi Tony,
yesterday when I compiled with Q_OBJECT I got error, but today it works, I have no idea why...but
yes I agree I should have Q_OBJECT. But this doesn't solve my problem. Also I guess I can rewrite a
new class who inherits of QWebEngineView with all Q_PROPERTY and stuff to make it works as I want,
but since we are talking about C++ I expecting to be able to inherits the QML code associated to the
class (QWebEngineView), instead of rewrittng all QML code (for that class) from scratch.
regards,
Nicolas
"Tony Rietwyk" wrote:
> Hi Nicolas,
>
>
>
> I can see you left out Q_OBJECT on CustomWebView. Not idea whether the rest will work or not to
> achieve your aim.
>
>
>
> Tony
>
>
>
>
>
> From: Interest [mailto:interest-bounces+tony=rightsoft.com.au at qt-project.org] On Behalf Of
> jagernicolas at legtux.org Sent: Sunday, 28 February 2016 3:16 PM
> To: interest at qt-project.org
> Subject: [Interest] qml <--> c++
>
>
>
> Hi,
>
> in my main.qml I have this code :
>
> WebEngineView {
> id: webview
> url: "192.168.2.1"
> anchors.fill: parent
> onNewViewRequested: {
> var w_ = crecreateObject()
> request.openIn(appWin.w_)
> }
> }
>
> when onNewViewRequested is called, I would like to open the url of the request in the the same
> WebEngineView, not creating a new WebEngine. So I was thinking to create some class who inherits
> of WebEngine.
>
> I didn't found any class called WebEngine I can inherit, or I did not found the header... but I
> found QWebEngine, so I did this :
>
> // in CustomWebView.h
> #pragma once
> #include <QtWebEngineWidgets/QtWebEngineWidgets>
>
> class CustomWebView : public QWebEngineView
> {
> Q_PROPERTY(QString author READ author WRITE setAuthor NOTIFY authorChanged)
>
> public:
> CustomWebView(QWidget *parent);
> CustomWebView();
>
> };
>
> I register the qml inside my main.cpp :
>
> qmlRegisterType<CustomWebView>("customWebView", 1, 0, "CustomWebView");
>
> and in my main.qml I did some changes/add :
>
> import CustomWebView 1.0
>
> CustomWebView {
> id: webview
> url: "192.168.2.1"
> anchors.fill: parent
> // onNewViewRequested: {
> // var w_ = crecreateObject()
> // request.openIn(appWin.w_)
> // }
> }
>
> but, when I compiled, I got the msg : Cannot assign to non-existent property "url"
>
> obviously, I didi some mistake, but where ?
>
> Regards,
> Nicolas
>
>
>
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