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>Why doesn't my widget (e.g. progressbar)

update? [GTK 2.x]

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>Why doesn't my widget (e.g. progressbar)

update? 

CLASS="EMPHASIS"

>[GTK 2.x]

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>You are probably doing all the changes within a function without

returning control to 

CLASS="LITERAL"

>gtk_main()

>. This may

be the case if you do some lengthy calculation in your

code. Most drawing updates are only placed on a queue, which

is processed within 

CLASS="LITERAL"

>gtk_main()

>. You can force the

drawing queue to be processed using something like:

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>while (g_main_context_iteration(NULL, FALSE));

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>inside you're function that changes the widget.

>

>What the above snippet does is run all pending events

and high priority idle functions, then return immediately

(the drawing is done in a high priority idle function).

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