[Lazarus] LCL Message handling

[Hans-Peter Diettrich]

Vincent Snijders schrieb:

>>> What I was against, is letting all windows messages bubble up from the
>>> win32 widgetset interface into the LCL. I am more a proponent of only
>>> passing those messages to the LCL what are handled by the LCL, not all
>>> and very messages that the win32 widget generate.
>> IMO such a separation already exists. The WM messges are sent *to* (Windows)
>> widgets, like widget-specific EM (Edit), BM (Button) etc. messages. A widget
>> itself sends back *notification* messages (EN, BN...), for use in an
>> application or in the VCL/LCL.
> 
> No, IIRC, currently every message that gets into the win32 message
> handlers, is passed to the LCL.

Where do all the messages originate in the non-Windows widgetsets?
Aren't these generated by the widgetsets?
Any hints where I could find out more about details?

DoDi