How can I in code of the custom Qt widget know that it is currently instantiated in Qt designer? Use case:
What\'s differenc开发者_高级运维e between these defining; #include \"QWebView\" class QWebView;
We are using a QTableView with Qt 4.6.3, and need a column that only has a checkbox in each cell.We\'re using a custom subclas开发者_JS百科s of QAbstractTableModel as the model for the QTableView.Righ
I have a Qt GUI application running on Windows that allows command-line options to be passed and under some circumstances I want to output a message to the console and then quit, for example:
I am trying to implement QLineEdit\'s text which is all capital letters no matter what user types in. I have found several solutions, none of them working in Ruby. In brief I haveQLineEdit object sear
I have a problem with inserting data into SQLite database using QSqlTableModel. The table is created like this:
im trying to use the graphic veiw of QT to开发者_如何转开发 draw lines it\'s possible to draw a multiple objects in the scene but is it possible to do a (real time lines ) drawing inside the Qt scene
I have a live object implemented in the following way. It is used to execute long tasks in background. The main thread invoke the tasks by sending a signal to the public slots (i.e. doTask). Here is a
I have placed a few buttons in a Qgraphicsscene, but I don’t know how to navigate to the button from a keyboard.
I defined a signal in myapp and emit it in very different pla开发者_如何学Goces within code, but I need it just when my MY_DEFINED_FLAG is defined, my question is:
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