This dialog lets you create descriptions for custom widgets, i.e., widgets that are not included in Qt but that you have written yourself or purchased from a third-party manufacturer. You can invoke it by selecting Tools|Custom|Edit Custom Widgets. The unlabeled list box to the left always shows the list of custom widgets known to Qt Designer.
Click on this button to start the description of a new custom widget. Qt Designer will create a new description with some default values for a widget class called MyCustomWidget.
Deletes the description for the currently selected custom widget.
Loads a file with descriptions for custom widgets. Chapters 9 and 10 explain the format of these files.
Saves the descriptions for the custom widgets to a file.