Entry fields : Set focus

focamanzoni

Hi , I'm doing some tests and I don't manage to position the cursor on the window. For example I have several entry fields and I would like to position to field 1 and then with the tab key to go to field 2.
How can I achieve this?
Many thanks in advance.

esferatec

To set the focus for the first input field, I use the "show()" methode. The documentation says: "Show and activate the Entry".

I call the methode in the windows "onCreate" oder "onShow" event.

focamanzoni

Many thanks !
Just in case someone else have this issue :
it works if inputs are in a window.
if they are in a panel you have the focus for the first field but if you pulse tab you don't go to second field.

Samir

focamanzoni they

Thank you for the feedback on this focamanzoni, I will see what can be done for this 😉

focamanzoni

Thanks to you guys, the tool is really great!

Samir

It's fixed. TAB navigation inside Panels and Tabs will be possible in next LuaRT bugfix release.

G1mpy

I have a screen with several Entry fields. Everything works correctly when I navigate between fields with the mouse. I've read this thread but I am still clueless how to use the tab key to navigate between Entry fields. Pressing the tab key just makes my cursor go away. This is a Window and not a Tab or a Panel.

Samir

I will check this thank you 👍🏻

esferatec

Just a hint: I have to press the TAB key twice for the win:onKey() event to recognise the TAB key.

G1mpy

Is tabbing between fields an automatic feature? Or do I need to write code for it to work?

Samir

It should be an automatic feature

Samir

I can confirm multiple bugs regarding Tab key navigation.
See the GitHub issues for full list

G1mpy

Excellent, thank you! I have been trying out a lot of things. So, far this is the first bug I have found. I have not found any problems with the documentation either. The current features are solid and the performance is very good like a native WIndows app written in C.

Samir

Thank you G1mpy, glad to see that you appreciate LuaRT 😉

esferatec

In the GitHub you mention that "Panel and Tab widgets support onKey() event but it's not documented" - but how should it work? I tried it and only the Windows onKey event recognises the key pressed. How could the programme distinguish if the key is pressed in a panel widget or on the hole window widget?

local ui = require "ui"

local win = ui.Window("Panel.constructor() sample", "fixed", 320, 200)

local panel = ui.Panel(win, 0, 0, 100, 100)
panel.border = true

local entry1 = ui.Entry(panel, "LuaRT", 0, 0)
local entry2 = ui.Entry(panel, "LuaRT", 0, 30)

local entry11 = ui.Entry(win, "LuaRT", 0, 120)
local entry21 = ui.Entry(win, "LuaRT", 0, 150)

function panel:onKey(key)
  win:status(key)
end

function win:onKey(key)
  win:status(key)
end

ui.run(win):wait()

esferatec

What I reconiced is that when I press enter in an entry widget that is in a panel, the next entry gets the focus. If I have two entry widgets in the window widget, nothing happens.

Samir

The onKey event should be thrown only in the direct parent widget (in your case Entry1 and Entry2 will throw an win:onKey() event, and Entry11, Entry21 an panel:onKey() event)