Margins in GtkTreeview - How to remove them?

[syn]

Is it possible, to remove/change the margins between the cells in the treeview? There are gaps between each cell.... I have images in cells. So, spaces arent needed here.

I think about something like

margin: 0 0 10px 0;



Is there a way to do this in php-gtk2?

[syn]

To see, what i´m talking about take a look at this screenshot.
In the main treeview, there are screenshot in the second cell. There are margins beween each cell. How to remove them?

[cweiske]

Good question. I guess you have to look at the gtk+ docs for treeview and cell renderer, maybe one of them has some attributes that can be changed.