How to set focus on a text view when tree selection changed?

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Hi, all

Searched for a long time but didn't find any hints on this. Here's my layout:

-------------------------
|           |           |
| tree view | text view |
|           |           |
-------------------------

When clicked on a tree view row, I am going to change text in text view accordingly AND let text view grab focus, so that whenever I press keys it put characters into the text view.

I tried to connect "changed" on tree view and grab focus on text view, but it didn't work, the focus is still on tree view. So when I press keys it doesn't put into the text view.

Can any body please give me a clue how to do this? Thank you very much.

Kenny

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