Re: [paragui-users] event is not passed to the parent

[Alexander Pipelka]

Am Don, 2002-04-25 um 20.50 schrieb Steffen Blume:
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> Hi!
> Here is my problem:
> I created a PG_Widget with three PG_ThemeWidget childs. Each of this has 
> several Buttons. I want to process the buttonclicks in the parent PG_Widget.
> The ThemeWidgets does not have an method eventButtonClick neither have the 
> buttons. I thought if the event isn't processed by a widget's child neither 
> by the widget itself, it will be passed to the parent, but eventButtonClick 
> of my parent isn't called.

You should use SetEventCallback or SetEventObject to connect the message
to a callback (MSG_BUTTONCLICK). The "click" events are only passed one
level up. 

I'm currently rethinking (and redesigning) the eventcallbacks. There is
a good chance that all eventXXX functions will disappear in version 1.2
or 2.0 (i'm considering libsigc++ as callback mechanism).

> Another thing (not important):
> When a widget is created internaldata->widgetParent is set in 
> PG_Widget::InitWidget. If it is != NULL AddChild of the parent is called. 
> There RemoveChild is called, because child->internaldata->widgetParent is 
> set, althougt it is not a child of the parent (up to now). Then 
> child->internaldata->widgetParent is set to this. Has this to be like this?
> Looks strange to me, but works ;-)

Everything ok with this. It's a bit tricky but necessary :))
(an in depth explanation would take too long).

Alex