[Feature request] [Windows] Soft keyboard support

[itlancer]

Feature Description

Please implement soft (on screen) keyboard support for Windows devices.
Necessary for kiosks and touch applications. With tablet and non-tablet mode for Windows.
For now there is no way to interact with soft keyboard on Windows devices.
It works fine with Android and iOS.

Tracker link: https://tracker.adobe.com/#/view/AIR-3931936

Related issue (not the same): #172

What should implemented for Windows too:

• InteractiveObject::softKeyboard support
• SoftKeyboardType constants support
• 'SoftKeyboardEvent' support
• needsSoftKeyboard support
• softKeyboardInputAreaOfInterest support
• InteractiveObject::requestSoftKeyboard() method support
• soft keyboard support for HTMLLoader
• soft keyboard support for StageWebView
• soft keyboard support for TextField
• Stage::softKeyboardRect support
• softKeyboardBehavior support in manifest

Known Workarounds

none
*Some actions/features support you can do in this directions by NativeProcess or write native extension

[2jfw]

We previously had an approach using the OSK.exe from Windows and before opening it, modify position offset values in the Windows Registry with the help of a Batch Script / NativeProcess to align the OSK behind or always-in-front app. In Windows 7 this was working pretty good but we had to get rid of that a while back, since it was no longer working properly in Windows 10.
We are now also at the point again, that one of our Touch Apps (Windows) requires OSK support. Would come in handy, if we had a way of using the Windows inbuilt OSK and position it somewhere..