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Fix uncaught exception on channel list key navigation 

After searching, the channel list treeview sometimes does not have a
selected item, leading to an invalid iterator when navigating the list
with arrow keys.

Select the first episode item in the TreeView model in this case.
This commit is contained in:
Teemu Ikonen 2020-12-30 14:27:48 +02:00 committed by Eric Le Lay
parent 108d60ac17
commit 99c282898c
1 changed files with 6 additions and 3 deletions
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9
src/gpodder/gtkui/main.py
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@ -717,14 +717,17 @@ class gPodder(BuilderWidget, dbus.service.Object):
elif event.keyval in (Gdk.KEY_Up, Gdk.KEY_Down):
# If section markers exist in the treeview, we want to
# "jump over" them when moving the cursor up and down
selection = self.treeChannels.get_selection()
model, it = selection.get_selected()
if event.keyval == Gdk.KEY_Up:
step = -1
else:
step = 1
selection = self.treeChannels.get_selection()
model, it = selection.get_selected()
if it is None:
it = model.get_iter_first()
step = 1
path = model.get_path(it)
while True:
path = (path[0] + step,)