[Qt-interest] Connect checkbox states

[John McClurkin]

Christian Lackas wrote:
> * Alexandre Beraud <aberaud at infflux.com> [090616 16:02]:
> 
> Hi Alexandre
> 
>> I don't know what you want to achieve exactly, but if the two checkboxes 
>> must always have the same state, then there is no point in having two of 
>> them. If you want to make them exclusive, take a look at QButtonGroup. 
>> In the worst case connect checkBox1 to a slot that blocks the signals 
>> from checkBox2, changes its state, and re-enables the signals 
>> (blockSignals() function of the QObject class).
> 
> I have a couple of the checkboxes (and a couple of other QWidgets) in
> two dialogs, which can be linked together (which is how it is used in
> most cases; however, for fine tuning, you can disable the link and
> adjust the widgets individually).
> It works with most other QWidgets, that allow to transfer the state via
> signal/slot. Just for QCheckBox I can't get it to work, which I find
> strange (since here it should be straight forward; so I wonder if I just
> don't see it).
> 
> Christian
> 

You are going to have to connect the stateChanged signal of a checkbox 
in one dialog to a slot in the other dialog and set the check state of 
the second dialog's checkbox from within the slot.