About

wxWidgets is an excellent framework that enables the creation of multi-platform applications with and without a graphical user interface. There are several applications that help create dialogs visually, even so, some practical problems have led me to start the development of a new application. Those problems include, the limited set of widgets or the impossibility to include non-graphical components.

wxFormBuilder aims to be an application that as well as enabling visual development and generating the corresponding code, allow the inclusion of non-graphical components, as well as providing facilities for extending the set of widgets easily via plugins, like other applications such as qt-designer.

An interesting aspect of wxFormBuilder, is the storage of the information in XML documents instead of embedding it in the code itself. This, as well as simplifying the application’s code, eases the the further modification of both the properties of an object and the generated code without needing to recompile.

The code generation makes use of a series of “templates” defined in the document of the class information, which are processed to generate the corresponding code. The code generator includes a small parser that allows us to use in the templates a simple set of directive to be able to process functions such as referring the an object’s properties, do a conditional code generation, bucles, and other possibilities.

This way the application’s code is simplified while at the same time providing a simple mechanism for adding components. The visual components also require the implementation of a plugin to be able to use it in the visual editor, but that doesn’t mean losing the ability to “personalize” the generation of code (with templates) for that component and the plugin would be as simple as a routine that creates an instance of the object based on the values of its properties.

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