The VideoLAN Forums

Posted: **19 Jan 2020 21:44**

I apologize if this question was asked already, I'm trying to develop an extension for VLC in Lua but for some reasons as soon as I hide the dialog I cannot show it back and reactivating the extension from the Menu also destroys/deactivates it completely and won't reshow the previous state.

Is there any way to achieve this?

I only test this code below on macOS I'm not sure if the issue is related to the OS:

Code: Select all

local dlg = nil

local function handle_hide()
  dlg:hide()
end

function descriptor()
    return {
        title = "Test",
        version = "0.1.0",
    }
end

function meta_changed() return false end

function close()
    vlc.deactivate()
end

function activate()
    local row = 0
    dlg = vlc.dialog("Show Tracker")
    dlg:add_button("Hide", handle_hide)
end

function deactivate()
end

I'm running VLC v3.0.8

Posted: **21 Jan 2020 03:16**

I made it work by checking the status of the player and show the dialog on `input_changed()`:

Code: Select all

function input_changed()
  -- ... some other logic
  if vlc.player.status() == "stopped" then
    dlg:show()
  end
end

just a small problem it seems `playing-listener()` never gets triggered on macOS

Posted: **21 Jan 2020 13:10**

It is possible to define a (sub)menu (https://cdn.pling.com/img/a/1/f/b/7b56612ab04f58f72a644493b55a0487ffc4.png). Probably it is not available in VLC for macOS (not implemented yet or a bug). You could file a ticket at https://trac.videolan.org/vlc/
If you are sure that the playing-listener never triggers playing_changed() on pause/play event, then you should report it, too. It works on Windows/Linux.

Code: Select all

	...
		capabilities = {"playing-listener"}
	...	
function playing_changed()
	...
end

Posted: **26 Jan 2020 10:21**

mederi, thanks for reply.

Yeah someone else has already reported it here (https://trac.videolan.org/vlc/ticket/22778.)

Menu also never worked for me on macOS, might not be implemented at all

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