incubator-nuttx/Documentation/NxWidgets.html

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<h1><big><font color="#3c34ec"><i>NxWidgets</i></font></big></h1>
<p>Last Updated: March 27, 2012</p>
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<h1>NXWidgets</h1>
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In order to better support NuttX based platforms, a special graphical userinterface has been created called NXWidgets.
NXWidgets is written in C++ and integrates seamlessly with the NuttX <a href="NXGraphicsSubsystem.html">NX graphics subsystem</a> in order to provide graphic objects, or &quot;widgets,&quot; in the NX Graphics Subsystem
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Some of the features of NXWidgets include:
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<li><b>Conservative C++</b>.
NXWidgets is written entirely in C++ but using only selected &quot;embedded friendly&quot; C++ constructs that are fully supported under NuttX.
No additional C++ support libraries are required.
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<li><b>NX Integration</b>.
NXWidgets integrate seamlessly with the <a href="NXGraphicsSubsystem.html">NX graphics subsystem</a>.
Think of the X server under Linux … the NX graphics system is like a tiny X server that provides windowing under NuttX.
By adding NXWidgets, you can support graphics objects like buttons and text boxes in the NX windows and toolbars.
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<li><b>Small Footprint</b>.
NXWidgets is tailored for use MCUs in embedded applications.
It is ideally suited for mid- and upper-range of most MCU families.
A complete NXWidgets is possible in as little as 40Kb of FLASH and maybe 4Kb of SRAM.
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<li><b>Output Devices</b>.
NXWidgets will work on the high-end frame buffer devices as well as on LCDs connected via serial or parallel ports to a small MCU.
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<li><b>Input Devices</b>.
NXWidgets will accept position and selection inputs from a mouse or a touchscreen.
It will also support character input from a keyboard such as a USB keyboard.
NXWidgets supports on very special widget called CKeypad that will provide keyboard input via an on-screen keypad that can be operated via mouse or touchscreen inputs.
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<li><b>Many Graphic Objects</b>.
Some of the graphic objects supported by NXWidgets include labels, buttons, text boxes, button arrays, check boxes, cycle buttons, images, sliders, scrollable list boxes, progress bars, and more.
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<li><b>DOxygen Documentation</b>
DOxygen documentation is available.
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Note: Many of the fundamental classed in NxWidgets derive from the Antony
Dzeryn's &quot;Woopsi&quot; project: http://woopsi.org/ which also has a BSD style
license. See the COPYING file for details.
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<h1>NXWidgets DOxygen Documentation</h1>
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Release notes, DOxygen documentation, as well as downloads for the latest NxWidgets releases are available online:
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<b>NxWidgets-1.0</b>:
<a href="http://www.nx-engineering.com/nxwidgets_v1_0/">Documentation</a>, and
<a href="http://sourceforge.net/projects/nuttx/files/NxWidgets/NxWidgets-1.0/">Downloads</a>
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<b>NxWidgets-1.1</b>:
<a href="http://www.nx-engineering.com/nxwidgets_v1_1/">Documentation</a>,
<a href="http://sourceforge.net/projects/nuttx/files/NxWidgets/NxWidgets-1.1/">Release notes</a>, and
<a href="http://sourceforge.net/projects/nuttx/files/NxWidgets/NxWidgets-1.1/">Downloads</a>
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<b>NxWidgets-1.2</b>:
<a href="http://www.nx-engineering.com/nxwidgets_v1_2/">Documentation</a>,
<a href="http://sourceforge.net/projects/nuttx/files/NxWidgets/NxWidgets-1.2/">Release notes</a>, and
<a href="http://sourceforge.net/projects/nuttx/files/NxWidgets/NxWidgets-1.2/">Downloads</a>
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Thanks go to Jose Pablo Carballo for contributing this!
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