help! some questions about QListView

[lum]

hello,
1) how to display string completely in an QListView?
for example, if the string is "Qt Centre Forum"
My program display " Qt Cent..."

2) how to hide the column bar?
My program display like this:
column1 | column2
-----------------------
string1 | string2

I want it like this:
string1 | string2


thank you for your help!



I am so sorry, I have another problem about this widget:
3) I want to use key "Up" and "Down" to select items in QListView,
if I use mouse, it emit SIGNAL clicked( QListViewItem *);
but if I use keyboard, what signal it emit?