Re: TextBox does not trigger KeyPress event with gtk3

[Benoît Minisini <benoit.minisini@xxxxxxxxxxxxxxxx>]

Le 29/05/2024 à 16:40, Bruce Steers a écrit :
> On Wed, 29 May 2024 at 14:41, Benoît Minisini 
> <benoit.minisini@xxxxxxxxxxxxxxxx 
> <mailto:benoit.minisini@xxxxxxxxxxxxxxxx>> wrote:
>
>     Le 26/05/2024 à 15:21, Bruce Steers a écrit :
>      > The following code...
>      >
>      > Public Sub TextBox1_KeyPress()
>      >
>      >    Debug Key.Text
>      >    If Key.Text Not Like "[0-9]" Then Stop Event
>      >
>      > End
>      >
>      > With qt5 if i press text keys the key is printed in the debugger
>     and the
>      > textbox inputs nothing,
>      > and if i press numerical keys they are printed and entered into
>     textbox,
>      > as expected.
>      >
>      > gtk3 on the other hand does not fire the TextBox_Keypress event
>     at all.
>      > all keys are entered into the textbox and the debugger prints
>     nothing.
>      >
>      > So the statement on the wiki,,
>      > https://gambaswiki.org/wiki/comp/gb.qt4/control/.keypress
>     <https://gambaswiki.org/wiki/comp/gb.qt4/control/.keypress>
>      > <https://gambaswiki.org/wiki/comp/gb.qt4/control/.keypress
>     <https://gambaswiki.org/wiki/comp/gb.qt4/control/.keypress>>
>      >
>      >
>      >       Event Cancellation
>      >
>      > If you stop the event with STOP EVENT
>      > <https://gambaswiki.org/edit/lang/stopevent
>     <https://gambaswiki.org/edit/lang/stopevent>>, the control won't see
>     the
>      > keyboard event at all.
>      >
>      > Is only actually true for qt not gtk3
>      >
>      > Respects
>      > BruceS
>
>     Can I have a project that shows the bug? Can you send me your full
>     environment with it?
>
>     Thanks.
>
>     -- 
>     Benoît Minisini.
>
>
> Well a good example is your own FTestMaskBox.class of comp/gb.form
>
> the MaskBox test form (with QT5) does nothing if you press letter keys 
> but inputs a number at cursor position if you press a number key.
> that i think is the expected behavior of the test code.
>
> With GTK3 it just sends the cursor far-left and inputs nothing 
> regardless of pressing either text or number keys.
> I think this is because the KeyPress event does not trigger with GTK but 
> the Change event does. so the test program does not function as expected.
>
> Respects
> BruceS

It's weird, it worked before, and I changed nothing in that code for years.

Anyway, it should be fixed by 
https://gitlab.com/gambas/gambas/-/commit/b25b3979403c597ed7dd381b29ce334924f16576.

Regards,

--
Benoît Minisini.