[PySide] sliding widgets into position

[Frank Rueter | OHUfx]

So I've followed Tibold's advice and sorted out some other ugly stuff 
and am a bit closer.
My problem now is that, because I am not adding the top and bottom 
frames to the layout anymore (to avoid the middle frame shifting), I now 
can't get the right size and position relative to the centre frame.

This is what I have now a bit cleaned up and with comments:
http://pastebin.com/wrUX5Ce0

By making the middle frame the parent to the top and bottom frames they 
line up to it now in the upper left corner - cool, one step forward.
But I can't get the top and bottom frames to have the same width as the 
parent and also don't know how to control the position properly so that 
the bottom frame is always positioned in the bottom left corner of the 
centre frame.
The size policy isn't inherited either which I'm a bit clueless a bout too.

Sorry for the noob questions but have looked online for tutorials on 
this sort of positioning to no avail.

Thanks in advance for any help!

Cheers,
frank


On 4/27/12 10:08 AM, Frank Rueter | OHUfx wrote:
> Thanks Tibold, I will have a look at that.
> I'm still not sure how to figure out the positioning in a procedural 
> way though.
> Will investigate more.
>
> Cheers,
> frank
>
> On 4/26/12 6:53 PM, Tibold Kandrai wrote:
>> Hi,
>>
>> Try to subclass QDockWidget. You will have to set it's geometry
>> manually. Also if you want the widgets to pop up above the centralWidget
>> than don't add the dock widgets to any layout. Simply add them with the
>> main window as their parent, and raise them when you show them.
>> Using this technique I managed to implement auto hiding widgets like in
>> Visual Studio. It's not trivial, but it's possible.
>> Actually if you don't need any of the QDockWIdget's functionality you
>> can do the same with a QFrame as well. Same logic, override it's
>> geometry, and don't add them to the grid layout. Adding the widgets to
>> the grid layout will always push the central widget.
>>
>> Cheers,
>> Tibold
>>
>> On 2012-04-26 08:42, Frank Rueter | OHUfx wrote:
>>> Hi,
>>>
>>> end of day for me and my brain has gone numb, so I'm probably missing
>>> the obvious:
>>>
>>> I'm trying to create a widget with three areas: top, middle and bottom
>>> (using QFrames as place holders for now).
>>> The middle frame is meant to be visible from the start containing some
>>> text and other widgets, when the button is pushed, the top frame is
>>> meant to slide down into view and the bottom frame is meant to slide up
>>> into view, so that I'm left with a controllable vertical arrangements of
>>> those three frames.
>>> Here is my ugly attempt so far:
>>> http://pastebin.com/index/bNJ9zeUm
>>>
>>> Things do move but I can't control the start and end positions properly
>>> and the GridLayout adjusts itself when showing the extra frames, so that
>>> the middle frame jumps. I have no idea how to set the size hints etc. to
>>> define the start and end positions of the sliding QFrames generically
>>> and avoid the jumping middle frame (might have to go with an alternative
>>> approach to QGridLayout?!).
>>>
>>> Any help would be greatly appreciated.
>>>
>>> Frank
>>> _______________________________________________
>>> PySide mailing list
>>> PySide at qt-project.org
>>> http://lists.qt-project.org/mailman/listinfo/pyside
>>
>>
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