RE: Update of window through GMain.Timeout and "gdk_window_invalidate_rect"

Dear Johan,

It should be sufficient to call
  w#misc#draw (Some rect)
with w the widget you are drawing on.
gtk_widget_draw calls gdk_window_invalidate_rect internally.

Jacques

----- 
From: Johan Mazel <[email protected]>

I am currently trying to learn lablgtk through translating this example (http://www.ralph-glass.homepage.t-online.de/clock/readme.html) in Ocaml.
The graphical part is working.
The code in python is using a timer (which can be added in Ocaml by GMain.Timeout.add) in order to launch periodically a function that update the window.
This function is called gtk.gdk.Window.invalidate_rect in PyGTK and gdk_window_invalidate_rect in GTK.
However, I cannot find any function by that name or a name close (eg. invalidate) in lablgtk.

I tried to call the rewriting of the whole window through the timer but it produces an hideous effect close to the vertical refresh on a CRT monitor.

Thanks in advance for your time.

Regards.
Johan Mazel

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