* James Turner -- Friday 05 June 2009:
> Can anyone (with more experience of the GUI code and Nasal) suggest
> how close I can get to a GUI like the one I've mocked-up below:
There are currently two ways:
- make the popup an extra dialog; See the dialog that's shown in "Model
View" in the lower left corner of the screen if you click on the model
name. It's defined in $FG_ROOT/gui/dialogs/model-view{,-select}.xml,
of which the latter is the popup.
- just fill the combobox <value>s appropriately, and redraw the whole
dialog. That's problematic, though, if it interferes with user input,
because it happens while a user types into an input or something.
You have to read out the dialog x/y coordinations and to redraw the
dialog on the same place. The dialog dimension should better not
change in the new dialog.
With some code in dialog.cxx live updates of lists could be implemented,
too. Recent changes made that easier than before. I haven't done
anything of that sort yet, because we were discussing a switche from
plib to osgWidget, and more plib specific code didn't seem a good
thing at the moment, even though that switch isn't imminent.
I'd probably go with the first solution.
m.
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