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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4508 7fd9a85b-ad96-42d3-883c-3090e2eb8679sbg
patacongo
13 years ago
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<title>NxWidgets</title> |
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<hr><hr> |
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<h1><big><font color="#3c34ec"><i>NxWidgets</i></font></big></h1> |
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<p>Last Updated: March 22, 2012</p> |
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<h1>NXWidgets</h1> |
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<p> |
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In order to better support NuttX based platforms, a special graphical userinterface has been created called NXWidgets. |
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NXWidgets is written in C++ and integrates seamlessly with the NuttX NX graphics subsystem in order to provide graphic objects, or "widgets," in the NX Graphics Subsystem |
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<p> |
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Some of the features of NXWidgets include: |
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<ul> |
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<li><b>Conservative C++</b>. |
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NXWidgets is written entirely in C++ but using only selected "embedded friendly" C++ constructs that are fully supported under NuttX. |
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No additional C++ support libraries are required. |
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</li> |
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<li><b>NX Integration</b>. |
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NXWidgets integrate seamlessly with the NX graphics system. |
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Think of the X server under Linux … the NX graphics system is like a tiny X server that provides windowing under NuttX. |
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By adding NXWidgets, you can support graphics objects like buttons and text boxes in the NX windows and toolbars. |
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</li> |
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<li><b>Small Footprint</b>. |
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NXWidgets is tailored for use MCUs in embedded applications. |
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It is ideally suited for mid- and upper-range of most MCU families. |
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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>. |
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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> |
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<li><b>Input Devices</b>. |
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NXWidgets will accept position and selection inputs from a mouse or a touchscreen. |
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It will also support character input from a keyboard such as a USB keyboard. |
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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> |
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<li><b>Many Graphic Objects</b>. |
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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> |
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</ul> |
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<p> |
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Note: Many of the fundamental classed in NxWidgets derive from the Antony |
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Dzeryn's "Woopsi" project: http://woopsi.org/ which also has a BSD style |
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license. See the COPYING file for details. |
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</p> |
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