How can i open a dialog when clicked on treewidget?

[newermind]

i have a qdialog. And i want to open this dialog when clicked on treewidget or focus on treewidget.. not clicked on treewidgetitem...

how can i do it?

[spirit]

come on! what is the reason of duplicating threads?!!!

[faldzip]

try installing the event filter on tree widget's viewport and open dialog on interesting events for you.