QWidegt->show() pops out a new window (windows only)

[powlee]

Hi,
I discovered a rather strange behavior in my application under Windows. I'm developing an application under Linux and use it on Windows machines also.

I have a GroupBox holding a widget, and hide and show the widget depending on the toggled Slot of the groupBox.
In Linux this works really fine.

In Windows however the widget doesn't show when I start the application. When I click on the checkBox a second time. A new Window containing my widget pops out. I have really no idea how this can happen.
Anyone any advice?

Although I have some experience I'm not sure if this isn't a very noobish mistake and therefore post it in the newbs group.

thx for the help

Code looks something like this:

void myWidget::gbToggled(bool on){
    if(on)
        otherWidger->show();
    else
        oderWidget->hide();
}

void myWidget::gbToggled(bool on){
    if(on)
        otherWidger->show();
    else
        oderWidget->hide();
}

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linuxout.jpglinux in.jpgwindows in.jpg

[high_flyer]

is this widget parented?

[powlee]

No it was not! Thx, now it doesn't pop out anymore.
It just refuses to show itself at all now. Just a little line under box text if the box is checked.

[high_flyer]

Well, you have to make sure its not sharing the same space with other widget!
Use a layout.

[powlee]

I do.
But maybe I'm doing t wrong.

QGridLayout *layout = new QGridLayout();
  gbTimePeriod = new QGroupBox(tr("Zeitraumbezogen"));
  gbTimePeriod->setCheckable(true);
  connect(gbTimePeriod, SIGNAL(toggled(bool)), this, SLOT(gbToggled(bool)));
  layout->addWidget(gbTimePeriod, 0, 0);
  QGridLayout *lPeriod = new QGridLayout();
  cabw = new ContinuousActionBaseWidget(videoPlayer, this);
  lPeriod->addWidget(cabw, 1, 0);
  gbTimePeriod->setLayout(lPeriod);

QGridLayout *layout = new QGridLayout();
  gbTimePeriod = new QGroupBox(tr("Zeitraumbezogen"));
  gbTimePeriod->setCheckable(true);
  connect(gbTimePeriod, SIGNAL(toggled(bool)), this, SLOT(gbToggled(bool)));
  layout->addWidget(gbTimePeriod, 0, 0);
  QGridLayout *lPeriod = new QGridLayout();
  cabw = new ContinuousActionBaseWidget(videoPlayer, this);
  lPeriod->addWidget(cabw, 1, 0);
  gbTimePeriod->setLayout(lPeriod);

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[high_flyer]

you embed your widget inside 'layout', but didn't set 'layout' to any widget.

[powlee]

True, its not in this part.
the setLayout is at the end of the Constructor. Other widgets are added to the layout as well.

But nevermind I already found the bug, it was just me being extremely stupid. I still had the addWidget in comments on my Windows Machine and posted code from my VBox where i actually work.
I didn't consider that because I was so flubber gusted by the widget popping out.
Anyhow thank you very much for your help and patience, have an awesome day.