limcheekin / flutter_ide

A visual editor for Flutter widgets

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The Widget-Maker


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State of the project

The project is currently not maintained by me and the code could probably use a bit of refactoring.

This README is still work in progress.

If anybody is interested in contributing/ forking/ using it as a base for another project - feel free!


  • Templates
  • Different Canvas sizes
  • Build and "Play" (interact with UI) mode
  • Multiple Canvases and instantiation
  • Code Generation

title title


This is intended to be run using Flutter Desktop or Flutter web. For Desktop, simply switch to the master channel and run:

flutter run -d [windows|linux|macos]

The concept

A few words about the code architecture.


Widget-Elements play a central part in the Widget-Maker as these are actual widgets you drag around and style. The Widget-Elements can be found under lib/data/widget_elements.

Widget-Elements form a forth tree (on top of Widgets/RenderObjects and Elements) they include a lot of meta information. Widget-Elements only manage the tree, but not the actual rendering, interaction and modification of the widgets, that is up to the widget which is generated by the generateWidget() method. Those widgets have to mix in ElementWidgetStateMixin, that class contains code which handles common UX scenarios like accepting children via drag, or showing a border on selection.

Making new Widget-Elements

You certainly can make new Widget-Elements by hand, in fact Widget-Elements such as the Scaffold, Row and more are hand made.

But a lot of widgets are pretty basic, so instead of copy-pasting the same wrapper code over and over again, there is a generator which does that for you.

Take a look at (lib/Data/widget_elements/config.yaml and to get a sense of the schema.

To generated those widget simply execute the lib/data/widget_elements/scripts/build.dart file. Be sure to be inside the script folder when running that script because it relies on relative paths!

dart build.dart


The MProperty is the base class for all properties inside the Widget-Maker. Each Widget-Element has a list of properties. These properties reflect the constructor parameters of the widgets in code. Properties are responsible for providing a way of changing themselves and providing meta information.

For more information take a look at lib/data/properties/basic_properties.dart

Running the test

Not all tests seem to pass as of now.

flutter test


The docs folder contains the source for


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A visual editor for Flutter widgets

License:MIT License


Language:Dart 84.0%Language:C++ 13.2%Language:C 1.6%Language:Makefile 0.5%Language:Batchfile 0.4%Language:Swift 0.1%Language:Objective-C 0.1%Language:HTML 0.0%