[maemo-developers] [maemo-developers] [vkb] gtk_context_im_show|hide

[From: Tomas Junnonen]

ext Antonio Gomes wrote:
> On 5/24/06, Tomas Junnonen <tomas.junnonen at nokia.com> wrote:
>> ext Antonio Gomes wrote:
>> > all,
>> >
>> > is there any drawback of calling gtk_context_im_show|hide methods by
>> > my own? I mean gtk and the hildon input method is suppose to care
>> > about this, but sometimes I am forcing it to show up or hide (for
>> > specific cases).
>>
>> It's perfectly fine to do this. GTK and hildon input methods do take
>> care of the common cases, but if you want to connect the VKB behavior to
>> use-cases that are specific to your application or if you're
>> implementing widgets of your own, that's what the functions are there
>> for.
>>
> 
> Great. So, I facing problems with consecutive callings of
> gtk_context_im_hide|show. Situation:
> 
> * An custom editable widget gets the focus -> the vkb pops up.
> * pressing 'tab' automatically jump up the focus to the next focusable
> widget, right ? Ok ...
> * In cases when this next widget is also an editable one, in my
> implementation vkb gets hide (because of the 'focus out' event got
> fired from the former widget) and then show up, ('focus in' event from
> the current focusable/editable widget), but this popping up fails.
> 
> So I wonder if there is an way to avoid the preliminary hiding in
> cases like this (jumping from an editable widget to another one). This
> way, it would make my app faster (consecutives hiding/pop ups of the
> vkb is heavy) as well as avoid the problem I am facing ...

Set the use-show-hide property on the IM context of your custom widget
and the VKB won't get hidden on focus out. Like this:
  g_object_set (G_OBJECT (widget->im_context), "use-show-hide", TRUE, NULL);

Regards,
Tomas