HT clear some wxPython fram?

[Cliff Wells]

On Wed, 03 Jul 2002 21:18:52 +0200
Klaus Reinhardt wrote:

> Am 03.07.02 20:47:14, schrieb Cliff Wells <logiplexsoftware at earthlink.net>:
> 
> 
> >class MyPanel(wxPanel):
> >    def __init__(self, parent, fontsize = 12):
> >        wxPanel.__init__(self, parent, -1)
> >        self.SetBackgroundColour(wxWHITE)
> >        self.text = []
> >        self.fontsize = fontsize
> >        EVT_PAINT(self, self.OnPaint)
> >
> >    def draw(self, dc):
> >        dc.Clear()
> >        font = wxFont(self.fontsize, wxMODERN, wxNORMAL, wxNORMAL)
> >        dc.SetFont(font)
> >        y = 0
> >        for t in self.text:
> >            dc.DrawText(t, 0, y)
> >            y += self.fontsize + 2
> >
> ---------------------------------------------------------------------
> Hi
> 
> OK! Well done. 
> 
> A further problem: The frame is 'renewed' after 14 rows, so the
> netstat-output is in the beginning (more than) doubled. Is some sort of -
> excuse me - GOTOXY? Or is this another buffer(?)problem?

If you look at MyPanel.draw(), you'll see a line like:

dc.DrawText(t, x, y)

where x, y are the screen coordinates relative to the top-left corner.

You could also add a MyPanel.clear() method:

class MyPanel(...)
    ...
   
    def clear(self):
        dc = wxClientDC(self)
        dc.Clear()


It also occurs to me (somewhat belatedly) that wxPython has wxLog that might do
what you want without a lot of programming (see the demo - it uses it
extensively).

Regards,

-- 
Cliff Wells, Software Engineer
Logiplex Corporation (www.logiplex.net)
(503) 978-6726 x308  (800) 735-0555 x308