Remembering when I first needed to do this, the documentation can be a bit lacking and assumes you have knowledge of other QJson classes. To obtain a QString of a QJsonObject, you need to use the QJsonDocument class, like this: – QJsonObject jsonObj; // assume this has been populated with Json data QJsonDocument doc(jsonObj); QString … Read more
It sounds like you’re talking about Qt Designer, since it defaults to showing two tabs (called “Tab 1” and “Tab 2”) when you add a QTabWidget through the interface. If so, click on the tab you want to rename, then in the Property Editor (if you can’t find it make sure it’s visible by using … Read more
Here’s example code that should do it: QDirIterator it(“:”, QDirIterator::Subdirectories); while (it.hasNext()) { qDebug() << it.next(); } Link to documentation: http://doc.qt.io/qt-5/qdiriterator.html
You can start inserting a label. Next, you right click on it an then click “change rich text…”. A new window will pop-up. Click on the figure Icon “Insert figure”. Now, you have to create a resource file. Click on the Pencil button. Next, click on the “New resource file” button. Choose a name and … Read more
No, but you may use my fairly comprehensive stylesheets that should look excellent on most platforms (it’s inspired by KDE’s Breeze Theme, which is a dark theme that is quite elegant). This was (hard) forked from the excellent QDarkStylesheet, which I felt had theme issues in numerous areas, so I modified it extensively for my … Read more
This straightforward solution (no need to install xvfb, neither compiling QT neither wkhtmltopdf) works like a charm on my Debian Jessie server : cd mytmpfolder wget https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz sudo tar xvf wkhtmltox-0.12.4_linux-generic-amd64.tar.xz sudo mv wkhtmltox/bin/wkhtmlto* /usr/bin/ #create simple html test file echo “<html><body>test</body></html>” >> test.html #perform conversion sudo wkhtmltopdf –disable-smart-shrinking –lowquality –enable-external-links –enable-internal-links test.html test.pdf
After quite a bit of frustration with qmake, I have found what I think is the answer to your question. If not, then I have learned the way that I will use qmake until I find something better, because this is still a little bit ugly. I set up a demo project, this is my … Read more
It depends. From the documentation: When a signal is emitted, the slots connected to it are usually executed immediately, just like a normal function call. When this happens, the signals and slots mechanism is totally independent of any GUI event loop. Execution of the code following the emit statement will occur once all slots have … Read more
PHP gives it to you in hex, Qt in binary. Convert it to hex using QByteArray::toHex. QString blah = QString(QCryptographicHash::hash((“myPassword”),QCryptographicHash::Md5).toHex())
I started with doing everything hand-coded, and of late have been switching to using Qt Designer for most forms. Here are some benefits for each position: Using Qt Designer The biggest time saver for me is managing complex layouts; it saves a lot of tedious coding. Simply (very roughly) arrange your widgets, select them, right-click, … Read more