Mercurial > getan
changeset 70:a70e7f381922
Only update the focus of a List if it has some rows.
This fixes a chash while switching to an empty entry list
| author | Björn Ricks <bjoern.ricks@intevation.de> |
|---|---|
| date | Wed, 25 May 2011 13:29:58 +0200 |
| parents | f0e4637ad4e4 |
| children | c1664ea5a83b |
| files | getan/view.py |
| diffstat | 1 files changed, 8 insertions(+), 7 deletions(-) [+] |
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--- a/getan/view.py Wed May 25 13:27:42 2011 +0200 +++ b/getan/view.py Wed May 25 13:29:58 2011 +0200 @@ -41,13 +41,14 @@ self.frame.set_header(self.header) def update_focus(self, focus, unfocus=-1): - self.focused = focus - if focus >= 0 and focus <= len(self.rows)-1: - self.rows[focus].focus = True - self.rows[focus].update_w() - if unfocus >= 0: - self.rows[unfocus].focus = False - self.rows[unfocus].update_w() + if self.rows: + self.focused = focus + if focus >= 0 and focus <= len(self.rows)-1: + self.rows[focus].focus = True + self.rows[focus].update_w() + if unfocus >= 0: + self.rows[unfocus].focus = False + self.rows[unfocus].update_w() if self.size: self.validate_view()