Salman
On Sun, Aug 7, 2022, 10:53 Bram Moolenaar <[email protected]> wrote:
>
> Maxim Kim wrote:
>
> > Hi, currently there is no built-in way to have a prompt in a popup
> window
> > so am trying to fake it with filtering.
> >
> > While in the early stages, I found out that the filter func constantly
> gets
> > <80><fd>` value.
> >
> > What is this?
> > How can I properly filter it out?
> >
> > With the following code:
> >
> > vim9script
> >
> > export def TestPopup(contents: string)
> > var prompt = ""
> > var main_id = popup_create(contents, {
> > pos: 'center',
> > mapping: 0,
> > filter: (id, key) => {
> > if key == "\<esc>"
> > popup_close(id, -1)
> > else
> > prompt ..= key
> > endif
> > return true
> > },
> > callback: (id, result) => {
> > echom prompt
> > }
> > })
> > enddef
> >
> > TestPopup('hello')
> >
> > If you wait a 3-4 seconds and close popup with ESC, you will see
> <80><fd>`:
> > [image: viim-filter.gif]
>
> Don't see it in the GIF.
>
> here probably is a third byte that you don't see. 0x80 0xfd is a
> prefix for a special key. There is a list in src/keymap.h, "enum
> key_extra".
>
It shows up on the command line at the bottom at the end of the GIF.
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