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This C library stands for creating simple windows-likeUser Interfaces withTouch capabilityon embedded and other platforms, that has basic C runtime environment.

Key features

• ModalDialog system
• WindowManager system
• RichCallback andEvent subsystem
• flexible porting layer
• independency from fonts and images
• small memory footprint

This library was ported to

• Arduino (tested on esp8266)
• Windows desktop
• Cortex M family processors

At the moment we support several base widgets components

• Widget - a base component for the UI that is used as building block for other. It provides ahierarchy for embedding widgets into each other. It also
• Label - all-in-one solution for text output. It supports
  • Single line mode
  • Multi line mode with paging
  • Word wrapping by word
• Plot - for simple graph plotting
• Button - supports
  • Text Mode - simple font-based button
  • Picture Mode - add an icon to the button
  • Picture+Text Mode - add an icon + description under the icon

Components that was introduced in 1.0.0, but disabled at the moment due to unresolved dependencies

• Console - a window that showslinux-like boot console - depends onfreeRTOS queues
• Keyboard andKeyboardRow - depends on generic int types and 320*240 screen resolution
• PictureStack - just a list of pictures. Provides convenient picture storage place. Depends onC-Array pictures
• ProgressBar - Acts as standalone widget and as a part ofModalDialogs. Depends on generic int types.

Library provides windowing system for making UI implementation more intuitive and simple

We support

• Window - a widget-based container for other components
• WindowManager - operatesWindow instances and allows toopencloseand passTouch events to windows.It also supports aWindow list - an instance that holds a history of opened windows,and allows you to get to the previous opened windows if you close active one.
• StatusBar - an instance that shows current window title and provides close button to close current active window.
• ModalDialog - a convenient subsystem that allows popping windows-like modal dialogs

• Port disabled widgets
• Touchless interfaces - add some kind of focus marker and add an API to move focus around
• Add moreWidgets
• C+ bindings or a separate fork