The following code can print the current web page to an image. page()->setViewportSize(page()->mainFrame()->contentsSize()); QImage *image=new QImage(page()->mainFrame()->contentsSize(), QImage::Format_ARGB32); QPainter *painter = new QPainter(image); page()->mainFrame()->render(painter); image->save(QString(“images/%1.png”).arg(name)); However there are some issues […]
By default, if you click a link on a QWebView window, QWebView will open the url in its own window if the link has not a target=”_blank” attribute, and do […]
Today, when I opened one of my qt program(normally this program will open a website on its GUI), I found it could not load and display the website as usual. […]
Although it is called QFileInfo, QFileInfo not only handle files but also directories. This function is often used to traverse all items under a directory including files and sub-directories. QFileInfo::fileName() […]
You may think it is easy to get the QWebFrame object for an iframe element in a web page since QWebFrame is formed by iframe/frame(http://doc.qt.io/qt-5/qwebview.html) and there must be a […]
To obtain the text on a textarea element, you may think about using QWebElement::attribute(“value”) because the text seems to be the value of the textarea element. But actually what is […]
You must have encountered such case that an image is larger than its container div and can not be restricted in the div area. <div><img src=”image.png” alt=”” /></div> In the […]
It seems QFileDialog::ShowDirsOnly does not work. It is intended to show directories only. But it actually shows both files and directories. The Qt official document talks about two options related […]
Whether you use the default WordPress login page(i.e. http://myprogrammingnotes.com/login) or create a custom login form of your own, the back end code will eventually call the core login function wp_signon to […]
Although WordPress provides default user registration mechanism, sometimes we need to add custom fields to the registration form to collect more information from the user. Here we give a design […]