Drawing dinamically

[Gustavo Cipriano Mota Sousa <gustavomota inf ufg br>]

Hi,

I am having some problems trying to draw things in a GtkDrawingArea

I have a function that's called from a handler, this function loops for a while
making some calculations related to the program, and inside the loop i have a
gdk_draw_rectangle(), to draw in the drawing area, but when i run the program it
executes all the loop and after it, all the drawings are drawn.

How can I do to draw in the darea from inside my loop and make it appears in the
screen while it is looping?

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