Select the layout, and then drop the widget onto the corresponding selected item in the Object Inspector pane. If you find it tricky to select the layout on the actual form, you can also select it via the Object Inspector pane.
Layouts are actually easy to understand “I think”. 🙂 A simple explanation of layouts can be found in the QT book “C++ Gui programming with QT 2nd edition“ What you should be aware of regarding layouts and their size policies Most Qt widgets have a size policy. This size policy tells the system how the … Read more
Qt Creator is Qt’s IDE. You don’t have to use it, but it greatly simplifies Qt development. Qt Designer is a graphical tool that lets you build QWidget GUIs. Qt Quick Designer is similar, but for building QML GUIs. Both are built in to Qt Creator. This is explained in a little more detail over … Read more
Another way to use .ui in your code is: from PyQt4 import QtCore, QtGui, uic class MyWidget(QtGui.QWidget) … #somewhere in constructor: uic.loadUi(‘MyWidget.ui’, self) both approaches are good. Do not forget, that if you use Qt resource files (extremely useful) for icons and so on, you must compile it too: pyrcc4.exe -o ui/images_rc.py ui/images/images.qrc Note, when … Read more
In Designer, activate the centralWidget and assign a layout, e.g. horizontal or vertical layout. Then your QFormLayout will automatically resize. Always make sure, that all widgets have a layout! Otherwise, automatic resizing will break with that widget! See also Controls insist on being too large, and won’t resize, in QtDesigner
Our experience with Designer started in Qt3. Qt3 At that point, Designer was useful mainly to generate code that you would then compile into your application. We started using for that purpose but with all generated code, once you edit it, you can no longer go back and regenerate it without losing your edits. We … Read more
After creating your QVBoxLayout in Qt Designer, right-click on the background of your widget/dialog/window (not the QVBoxLayout, but the parent widget) and select Lay Out -> Lay Out in a Grid from the bottom of the context-menu. The QVBoxLayout should now stretch to fit the window and will resize automatically when the entire window is … Read more