On Nov 9, 2007 12:37 PM, John Hunter <[EMAIL PROTECTED]> wrote:
> On Nov 8, 2007 7:48 PM, sunzen w. <[EMAIL PROTECTED]> wrote:
> > Mike,
> > Thank you for your suggestion.
> > I found that pan mode doesn't work as expected in page of notebook.
> > The sample code is attached.
> > Thanks for your further guidance in advance.
>
>
> Now that is a well focused question. A little googling revealed that
> when a gtk drawing area (eg an matplotlib canvas) is placed in a gtk
> notebook, it needs to have the focus to receive key press events.
>
> http://www.daa.com.au/pipermail/pygtk/2002-August/003190.html
>
> I had hoped it would be enough to do
>
> canvas.grab_focus()
>
> but apparently it is not (upon testing). But the suggestion from the
> link above to use TAB to grab the focus worked in my tests.
With a little more testing, I find if I grab the focus after showing
the window that the notebook is in, it works as expected:
notebook = gtk.Notebook()
win.add(notebook)
vbox = gtk.VBox()
fig = mplfigure.Figure(figsize=(5,4), dpi=100)
canvas = FigureCanvas(fig) # a gtk.DrawingArea
vbox.pack_start(canvas)
toolbar = NavigationToolbar(canvas, win)
vbox.pack_start(toolbar, False, False)
notebook.insert_page(vbox, gtk.Label('Graph'))
win.show_all()
# need to get the focus in a notebook to handle keypress
# events
canvas.grab_focus()
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