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Getting the "ClientArea" of an ExpandItem, i.e. knowing the trimmings [message #1757971]

Wed, 22 March 2017 12:48

ChristianR Mising name

Messages: 22
Registered: December 2009
Location: Germany

Junior Member

I am using an ExpandBar and I am explicitly setting the ExpandItem heights to give optimal room for the preferred size of its content. (I am not using the standard layouting as I want to be able to distribute the available height the way I want if there is not enough vertical space).

When I set the ExpandItem height to a specific height, the ExpandItem is resized. However it is not resized to the height that I asked for but to 1 less on Windows 7 and 2 less on Linux with GTK3. Is there some way of getting these values in a generic way?

If I look into the source code it seems that the ExpandItem is subtracting an internal BORDER attribute if the ExpandBar "isAppThemed()". Neither isAppThemed() nor BORDER is publicly accessible.

Also I wonder if this describes the whole problem as the BORDER is defined in a non platform specific package and I get different results on Windows and Linux.

I think the question is clear but if anyone thinks he can help if there was a sample code I could create one.

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Re: Getting the "ClientArea" of an ExpandItem, i.e. knowing the trimmings [message #1757973 is a reply to message #1757971]

Wed, 22 March 2017 12:54

ChristianR Mising name

Messages: 22
Registered: December 2009
Location: Germany

Junior Member

Sorry for posting this three time. None of the postings ever completed in my browser. I am also not able to see this post on the computer I posted to the forum, only on another one.

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