[hafqa] [hafqa] [Bug 1108] New: hildon.Controlbar freaks out when too small

[From: bugzilla-daemon at maemo.org]

https://maemo.org/bugzilla/show_bug.cgi?id=1108

           Summary: hildon.Controlbar freaks out when too small
           Product: haf
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gtk
        AssignedTo: tommi.komulainen at nokia.com
        ReportedBy: sean at cs.gmu.edu
         QAContact: hafqa at maemo.org


hildon.Controlbar has a number of issues, which I originally posted to pymaemo (https://
garage.maemo.org/tracker/?func=detail&atid=229&aid=514&group_id=40) and then was redirected 
here after it was determined it was a gtk and not a pygtk issue.

As indicated in code posted at that URL, I noted that if you make the hildon.Controlbar sufficiently small 
(horizontally), it freaks out and consumes the entire width of the window, breaking out of whatever 
container is holding it -- in my case, the container was an HPaned.

The bug appears to be triggered when the hildon.Controlbar is resized too small to have at least three 
pixels per tick box.  This is a problem not just for ugly GUI bug reasons but because the 
hildon.Controlbar widget is not capable of handling real-valued input (say, floating values from 0.0 to 
1.0 inclusive).  Instead you must hack it with some Very Large Number of ticks (0 to 10000 maybe?) and 
interpolate, which would be fine but then it freaks out due to the reasons discussed before.

I also noted that (in pygtk, not positive if also in gtk), the minimum position on the Controlbar is ZERO 
boxes lit.  But in most of the GUI apps in hildon, the minimum position is generally ONE box lit.

Last, though Controlbar is a subclass of Scale, it has its own idiosyncratic construction and API 
procedures which do not follow the inherited approach specified by Scale (and used in HScale and 
VScale).  It'd be nice to have it be more consistent with GTK proper.

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