[prev in list] [next in list] [prev in thread] [next in thread] 

List:       kde-devel
Subject:    Re: paintEvent problems - Regular Expression Widget
From:       Espen Sand <espen.sand () neo ! no>
Date:       2000-05-04 13:17:58
[Download RAW message or body]

On Thu, 04 May 2000, Jesper K. Pedersen wrote:
>Hi.
>
>I have a number of problems with my Regular Expression Widget, which I have
>just checked in into kdenonbeta/tdg/Examples/RegExpWidget
>
>Here is the description of my problems:
>
>1) When I have sub widgets to a widget, where I define a paintEvent method,
>then this paintEvent method are *not* invoked when the widget is build.
>
>Try to run the example, and watch std.out. for messages where I cry for
>help (or search the code for qDebug).
>
>An example of this is:
>----------------------->
>WidgetMultiple::WidgetMultiple(QString txt,QWidget *parent, const char *name)
>  :RegExpWidget(parent, name)
>{
>  text = txt;
>  DragAccepter *a1 = new DragAccepter(this);
>  DragAccepter *a2 = new DragAccepter(this);
>  a1->show();
>  a2->show();
>  children.append(new WidgetOrAccepter(0, a1));
>  children.append(new WidgetOrAccepter(0, a2));
>
>  qDebug("multiple-widget.cpp: Why is it necesary to call paintEvent explicit?");
>  
>  paintEvent(0);
>}
><-----------------------
>
>I believe that I shouldn't call the paintEvent method myself, or am I
>totally wrong? 
>

I would think the paintEvent (or should we rename it painEvent :-) should be
called automatically, but anyway, I prefer to do such init stuff from a
reimplemented showEvent(..) when I think it is needed.


-- 
Espen Sand

[prev in list] [next in list] [prev in thread] [next in thread]